1f1ae32a1SGerd Hoffmann /* 2f1ae32a1SGerd Hoffmann * USB xHCI controller emulation 3f1ae32a1SGerd Hoffmann * 4f1ae32a1SGerd Hoffmann * Copyright (c) 2011 Securiforest 5f1ae32a1SGerd Hoffmann * Date: 2011-05-11 ; Author: Hector Martin <hector@marcansoft.com> 6f1ae32a1SGerd Hoffmann * Based on usb-ohci.c, emulates Renesas NEC USB 3.0 7f1ae32a1SGerd Hoffmann * 8f1ae32a1SGerd Hoffmann * This library is free software; you can redistribute it and/or 9f1ae32a1SGerd Hoffmann * modify it under the terms of the GNU Lesser General Public 10f1ae32a1SGerd Hoffmann * License as published by the Free Software Foundation; either 11f1ae32a1SGerd Hoffmann * version 2 of the License, or (at your option) any later version. 12f1ae32a1SGerd Hoffmann * 13f1ae32a1SGerd Hoffmann * This library is distributed in the hope that it will be useful, 14f1ae32a1SGerd Hoffmann * but WITHOUT ANY WARRANTY; without even the implied warranty of 15f1ae32a1SGerd Hoffmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16f1ae32a1SGerd Hoffmann * Lesser General Public License for more details. 17f1ae32a1SGerd Hoffmann * 18f1ae32a1SGerd Hoffmann * You should have received a copy of the GNU Lesser General Public 19f1ae32a1SGerd Hoffmann * License along with this library; if not, see <http://www.gnu.org/licenses/>. 20f1ae32a1SGerd Hoffmann */ 21f1ae32a1SGerd Hoffmann #include "hw/hw.h" 22f1ae32a1SGerd Hoffmann #include "qemu-timer.h" 23f1ae32a1SGerd Hoffmann #include "hw/usb.h" 24f1ae32a1SGerd Hoffmann #include "hw/pci.h" 25f1ae32a1SGerd Hoffmann #include "hw/msi.h" 264c47f800SGerd Hoffmann #include "hw/msix.h" 272d754a10SGerd Hoffmann #include "trace.h" 28f1ae32a1SGerd Hoffmann 29f1ae32a1SGerd Hoffmann //#define DEBUG_XHCI 30f1ae32a1SGerd Hoffmann //#define DEBUG_DATA 31f1ae32a1SGerd Hoffmann 32f1ae32a1SGerd Hoffmann #ifdef DEBUG_XHCI 33f1ae32a1SGerd Hoffmann #define DPRINTF(...) fprintf(stderr, __VA_ARGS__) 34f1ae32a1SGerd Hoffmann #else 35f1ae32a1SGerd Hoffmann #define DPRINTF(...) do {} while (0) 36f1ae32a1SGerd Hoffmann #endif 37f1ae32a1SGerd Hoffmann #define FIXME() do { fprintf(stderr, "FIXME %s:%d\n", \ 38f1ae32a1SGerd Hoffmann __func__, __LINE__); abort(); } while (0) 39f1ae32a1SGerd Hoffmann 40d95e74eaSGerd Hoffmann #define MAXPORTS_2 15 41d95e74eaSGerd Hoffmann #define MAXPORTS_3 15 42f1ae32a1SGerd Hoffmann 430846e635SGerd Hoffmann #define MAXPORTS (MAXPORTS_2+MAXPORTS_3) 44d95e74eaSGerd Hoffmann #define MAXSLOTS 64 45d95e74eaSGerd Hoffmann #define MAXINTRS 16 46f1ae32a1SGerd Hoffmann 47f1ae32a1SGerd Hoffmann #define TD_QUEUE 24 48f1ae32a1SGerd Hoffmann 49f1ae32a1SGerd Hoffmann /* Very pessimistic, let's hope it's enough for all cases */ 50f1ae32a1SGerd Hoffmann #define EV_QUEUE (((3*TD_QUEUE)+16)*MAXSLOTS) 51f1ae32a1SGerd Hoffmann /* Do not deliver ER Full events. NEC's driver does some things not bound 52f1ae32a1SGerd Hoffmann * to the specs when it gets them */ 53f1ae32a1SGerd Hoffmann #define ER_FULL_HACK 54f1ae32a1SGerd Hoffmann 55f1ae32a1SGerd Hoffmann #define LEN_CAP 0x40 56f1ae32a1SGerd Hoffmann #define LEN_OPER (0x400 + 0x10 * MAXPORTS) 57106b214cSGerd Hoffmann #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20) 58f1ae32a1SGerd Hoffmann #define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20) 59f1ae32a1SGerd Hoffmann 60106b214cSGerd Hoffmann #define OFF_OPER LEN_CAP 61106b214cSGerd Hoffmann #define OFF_RUNTIME 0x1000 62106b214cSGerd Hoffmann #define OFF_DOORBELL 0x2000 634c47f800SGerd Hoffmann #define OFF_MSIX_TABLE 0x3000 644c47f800SGerd Hoffmann #define OFF_MSIX_PBA 0x3800 65f1ae32a1SGerd Hoffmann /* must be power of 2 */ 66106b214cSGerd Hoffmann #define LEN_REGS 0x4000 67f1ae32a1SGerd Hoffmann 68106b214cSGerd Hoffmann #if (OFF_OPER + LEN_OPER) > OFF_RUNTIME 69106b214cSGerd Hoffmann #error Increase OFF_RUNTIME 70106b214cSGerd Hoffmann #endif 71106b214cSGerd Hoffmann #if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL 72106b214cSGerd Hoffmann #error Increase OFF_DOORBELL 73106b214cSGerd Hoffmann #endif 74f1ae32a1SGerd Hoffmann #if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS 75f1ae32a1SGerd Hoffmann # error Increase LEN_REGS 76f1ae32a1SGerd Hoffmann #endif 77f1ae32a1SGerd Hoffmann 78f1ae32a1SGerd Hoffmann /* bit definitions */ 79f1ae32a1SGerd Hoffmann #define USBCMD_RS (1<<0) 80f1ae32a1SGerd Hoffmann #define USBCMD_HCRST (1<<1) 81f1ae32a1SGerd Hoffmann #define USBCMD_INTE (1<<2) 82f1ae32a1SGerd Hoffmann #define USBCMD_HSEE (1<<3) 83f1ae32a1SGerd Hoffmann #define USBCMD_LHCRST (1<<7) 84f1ae32a1SGerd Hoffmann #define USBCMD_CSS (1<<8) 85f1ae32a1SGerd Hoffmann #define USBCMD_CRS (1<<9) 86f1ae32a1SGerd Hoffmann #define USBCMD_EWE (1<<10) 87f1ae32a1SGerd Hoffmann #define USBCMD_EU3S (1<<11) 88f1ae32a1SGerd Hoffmann 89f1ae32a1SGerd Hoffmann #define USBSTS_HCH (1<<0) 90f1ae32a1SGerd Hoffmann #define USBSTS_HSE (1<<2) 91f1ae32a1SGerd Hoffmann #define USBSTS_EINT (1<<3) 92f1ae32a1SGerd Hoffmann #define USBSTS_PCD (1<<4) 93f1ae32a1SGerd Hoffmann #define USBSTS_SSS (1<<8) 94f1ae32a1SGerd Hoffmann #define USBSTS_RSS (1<<9) 95f1ae32a1SGerd Hoffmann #define USBSTS_SRE (1<<10) 96f1ae32a1SGerd Hoffmann #define USBSTS_CNR (1<<11) 97f1ae32a1SGerd Hoffmann #define USBSTS_HCE (1<<12) 98f1ae32a1SGerd Hoffmann 99f1ae32a1SGerd Hoffmann 100f1ae32a1SGerd Hoffmann #define PORTSC_CCS (1<<0) 101f1ae32a1SGerd Hoffmann #define PORTSC_PED (1<<1) 102f1ae32a1SGerd Hoffmann #define PORTSC_OCA (1<<3) 103f1ae32a1SGerd Hoffmann #define PORTSC_PR (1<<4) 104f1ae32a1SGerd Hoffmann #define PORTSC_PLS_SHIFT 5 105f1ae32a1SGerd Hoffmann #define PORTSC_PLS_MASK 0xf 106f1ae32a1SGerd Hoffmann #define PORTSC_PP (1<<9) 107f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SHIFT 10 108f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_MASK 0xf 109f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_FULL (1<<10) 110f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_LOW (2<<10) 111f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_HIGH (3<<10) 112f1ae32a1SGerd Hoffmann #define PORTSC_SPEED_SUPER (4<<10) 113f1ae32a1SGerd Hoffmann #define PORTSC_PIC_SHIFT 14 114f1ae32a1SGerd Hoffmann #define PORTSC_PIC_MASK 0x3 115f1ae32a1SGerd Hoffmann #define PORTSC_LWS (1<<16) 116f1ae32a1SGerd Hoffmann #define PORTSC_CSC (1<<17) 117f1ae32a1SGerd Hoffmann #define PORTSC_PEC (1<<18) 118f1ae32a1SGerd Hoffmann #define PORTSC_WRC (1<<19) 119f1ae32a1SGerd Hoffmann #define PORTSC_OCC (1<<20) 120f1ae32a1SGerd Hoffmann #define PORTSC_PRC (1<<21) 121f1ae32a1SGerd Hoffmann #define PORTSC_PLC (1<<22) 122f1ae32a1SGerd Hoffmann #define PORTSC_CEC (1<<23) 123f1ae32a1SGerd Hoffmann #define PORTSC_CAS (1<<24) 124f1ae32a1SGerd Hoffmann #define PORTSC_WCE (1<<25) 125f1ae32a1SGerd Hoffmann #define PORTSC_WDE (1<<26) 126f1ae32a1SGerd Hoffmann #define PORTSC_WOE (1<<27) 127f1ae32a1SGerd Hoffmann #define PORTSC_DR (1<<30) 128f1ae32a1SGerd Hoffmann #define PORTSC_WPR (1<<31) 129f1ae32a1SGerd Hoffmann 130f1ae32a1SGerd Hoffmann #define CRCR_RCS (1<<0) 131f1ae32a1SGerd Hoffmann #define CRCR_CS (1<<1) 132f1ae32a1SGerd Hoffmann #define CRCR_CA (1<<2) 133f1ae32a1SGerd Hoffmann #define CRCR_CRR (1<<3) 134f1ae32a1SGerd Hoffmann 135f1ae32a1SGerd Hoffmann #define IMAN_IP (1<<0) 136f1ae32a1SGerd Hoffmann #define IMAN_IE (1<<1) 137f1ae32a1SGerd Hoffmann 138f1ae32a1SGerd Hoffmann #define ERDP_EHB (1<<3) 139f1ae32a1SGerd Hoffmann 140f1ae32a1SGerd Hoffmann #define TRB_SIZE 16 141f1ae32a1SGerd Hoffmann typedef struct XHCITRB { 142f1ae32a1SGerd Hoffmann uint64_t parameter; 143f1ae32a1SGerd Hoffmann uint32_t status; 144f1ae32a1SGerd Hoffmann uint32_t control; 14559a70ccdSDavid Gibson dma_addr_t addr; 146f1ae32a1SGerd Hoffmann bool ccs; 147f1ae32a1SGerd Hoffmann } XHCITRB; 148f1ae32a1SGerd Hoffmann 149f1ae32a1SGerd Hoffmann 150f1ae32a1SGerd Hoffmann typedef enum TRBType { 151f1ae32a1SGerd Hoffmann TRB_RESERVED = 0, 152f1ae32a1SGerd Hoffmann TR_NORMAL, 153f1ae32a1SGerd Hoffmann TR_SETUP, 154f1ae32a1SGerd Hoffmann TR_DATA, 155f1ae32a1SGerd Hoffmann TR_STATUS, 156f1ae32a1SGerd Hoffmann TR_ISOCH, 157f1ae32a1SGerd Hoffmann TR_LINK, 158f1ae32a1SGerd Hoffmann TR_EVDATA, 159f1ae32a1SGerd Hoffmann TR_NOOP, 160f1ae32a1SGerd Hoffmann CR_ENABLE_SLOT, 161f1ae32a1SGerd Hoffmann CR_DISABLE_SLOT, 162f1ae32a1SGerd Hoffmann CR_ADDRESS_DEVICE, 163f1ae32a1SGerd Hoffmann CR_CONFIGURE_ENDPOINT, 164f1ae32a1SGerd Hoffmann CR_EVALUATE_CONTEXT, 165f1ae32a1SGerd Hoffmann CR_RESET_ENDPOINT, 166f1ae32a1SGerd Hoffmann CR_STOP_ENDPOINT, 167f1ae32a1SGerd Hoffmann CR_SET_TR_DEQUEUE, 168f1ae32a1SGerd Hoffmann CR_RESET_DEVICE, 169f1ae32a1SGerd Hoffmann CR_FORCE_EVENT, 170f1ae32a1SGerd Hoffmann CR_NEGOTIATE_BW, 171f1ae32a1SGerd Hoffmann CR_SET_LATENCY_TOLERANCE, 172f1ae32a1SGerd Hoffmann CR_GET_PORT_BANDWIDTH, 173f1ae32a1SGerd Hoffmann CR_FORCE_HEADER, 174f1ae32a1SGerd Hoffmann CR_NOOP, 175f1ae32a1SGerd Hoffmann ER_TRANSFER = 32, 176f1ae32a1SGerd Hoffmann ER_COMMAND_COMPLETE, 177f1ae32a1SGerd Hoffmann ER_PORT_STATUS_CHANGE, 178f1ae32a1SGerd Hoffmann ER_BANDWIDTH_REQUEST, 179f1ae32a1SGerd Hoffmann ER_DOORBELL, 180f1ae32a1SGerd Hoffmann ER_HOST_CONTROLLER, 181f1ae32a1SGerd Hoffmann ER_DEVICE_NOTIFICATION, 182f1ae32a1SGerd Hoffmann ER_MFINDEX_WRAP, 183f1ae32a1SGerd Hoffmann /* vendor specific bits */ 184f1ae32a1SGerd Hoffmann CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48, 185f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_FIRMWARE_REVISION = 49, 186f1ae32a1SGerd Hoffmann CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50, 187f1ae32a1SGerd Hoffmann } TRBType; 188f1ae32a1SGerd Hoffmann 189f1ae32a1SGerd Hoffmann #define CR_LINK TR_LINK 190f1ae32a1SGerd Hoffmann 191f1ae32a1SGerd Hoffmann typedef enum TRBCCode { 192f1ae32a1SGerd Hoffmann CC_INVALID = 0, 193f1ae32a1SGerd Hoffmann CC_SUCCESS, 194f1ae32a1SGerd Hoffmann CC_DATA_BUFFER_ERROR, 195f1ae32a1SGerd Hoffmann CC_BABBLE_DETECTED, 196f1ae32a1SGerd Hoffmann CC_USB_TRANSACTION_ERROR, 197f1ae32a1SGerd Hoffmann CC_TRB_ERROR, 198f1ae32a1SGerd Hoffmann CC_STALL_ERROR, 199f1ae32a1SGerd Hoffmann CC_RESOURCE_ERROR, 200f1ae32a1SGerd Hoffmann CC_BANDWIDTH_ERROR, 201f1ae32a1SGerd Hoffmann CC_NO_SLOTS_ERROR, 202f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_TYPE_ERROR, 203f1ae32a1SGerd Hoffmann CC_SLOT_NOT_ENABLED_ERROR, 204f1ae32a1SGerd Hoffmann CC_EP_NOT_ENABLED_ERROR, 205f1ae32a1SGerd Hoffmann CC_SHORT_PACKET, 206f1ae32a1SGerd Hoffmann CC_RING_UNDERRUN, 207f1ae32a1SGerd Hoffmann CC_RING_OVERRUN, 208f1ae32a1SGerd Hoffmann CC_VF_ER_FULL, 209f1ae32a1SGerd Hoffmann CC_PARAMETER_ERROR, 210f1ae32a1SGerd Hoffmann CC_BANDWIDTH_OVERRUN, 211f1ae32a1SGerd Hoffmann CC_CONTEXT_STATE_ERROR, 212f1ae32a1SGerd Hoffmann CC_NO_PING_RESPONSE_ERROR, 213f1ae32a1SGerd Hoffmann CC_EVENT_RING_FULL_ERROR, 214f1ae32a1SGerd Hoffmann CC_INCOMPATIBLE_DEVICE_ERROR, 215f1ae32a1SGerd Hoffmann CC_MISSED_SERVICE_ERROR, 216f1ae32a1SGerd Hoffmann CC_COMMAND_RING_STOPPED, 217f1ae32a1SGerd Hoffmann CC_COMMAND_ABORTED, 218f1ae32a1SGerd Hoffmann CC_STOPPED, 219f1ae32a1SGerd Hoffmann CC_STOPPED_LENGTH_INVALID, 220f1ae32a1SGerd Hoffmann CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR = 29, 221f1ae32a1SGerd Hoffmann CC_ISOCH_BUFFER_OVERRUN = 31, 222f1ae32a1SGerd Hoffmann CC_EVENT_LOST_ERROR, 223f1ae32a1SGerd Hoffmann CC_UNDEFINED_ERROR, 224f1ae32a1SGerd Hoffmann CC_INVALID_STREAM_ID_ERROR, 225f1ae32a1SGerd Hoffmann CC_SECONDARY_BANDWIDTH_ERROR, 226f1ae32a1SGerd Hoffmann CC_SPLIT_TRANSACTION_ERROR 227f1ae32a1SGerd Hoffmann } TRBCCode; 228f1ae32a1SGerd Hoffmann 229f1ae32a1SGerd Hoffmann #define TRB_C (1<<0) 230f1ae32a1SGerd Hoffmann #define TRB_TYPE_SHIFT 10 231f1ae32a1SGerd Hoffmann #define TRB_TYPE_MASK 0x3f 232f1ae32a1SGerd Hoffmann #define TRB_TYPE(t) (((t).control >> TRB_TYPE_SHIFT) & TRB_TYPE_MASK) 233f1ae32a1SGerd Hoffmann 234f1ae32a1SGerd Hoffmann #define TRB_EV_ED (1<<2) 235f1ae32a1SGerd Hoffmann 236f1ae32a1SGerd Hoffmann #define TRB_TR_ENT (1<<1) 237f1ae32a1SGerd Hoffmann #define TRB_TR_ISP (1<<2) 238f1ae32a1SGerd Hoffmann #define TRB_TR_NS (1<<3) 239f1ae32a1SGerd Hoffmann #define TRB_TR_CH (1<<4) 240f1ae32a1SGerd Hoffmann #define TRB_TR_IOC (1<<5) 241f1ae32a1SGerd Hoffmann #define TRB_TR_IDT (1<<6) 242f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_SHIFT 7 243f1ae32a1SGerd Hoffmann #define TRB_TR_TBC_MASK 0x3 244f1ae32a1SGerd Hoffmann #define TRB_TR_BEI (1<<9) 245f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_SHIFT 16 246f1ae32a1SGerd Hoffmann #define TRB_TR_TLBPC_MASK 0xf 247f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_SHIFT 20 248f1ae32a1SGerd Hoffmann #define TRB_TR_FRAMEID_MASK 0x7ff 249f1ae32a1SGerd Hoffmann #define TRB_TR_SIA (1<<31) 250f1ae32a1SGerd Hoffmann 251f1ae32a1SGerd Hoffmann #define TRB_TR_DIR (1<<16) 252f1ae32a1SGerd Hoffmann 253f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_SHIFT 24 254f1ae32a1SGerd Hoffmann #define TRB_CR_SLOTID_MASK 0xff 255f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_SHIFT 16 256f1ae32a1SGerd Hoffmann #define TRB_CR_EPID_MASK 0x1f 257f1ae32a1SGerd Hoffmann 258f1ae32a1SGerd Hoffmann #define TRB_CR_BSR (1<<9) 259f1ae32a1SGerd Hoffmann #define TRB_CR_DC (1<<9) 260f1ae32a1SGerd Hoffmann 261f1ae32a1SGerd Hoffmann #define TRB_LK_TC (1<<1) 262f1ae32a1SGerd Hoffmann 2632d1de850SGerd Hoffmann #define TRB_INTR_SHIFT 22 2642d1de850SGerd Hoffmann #define TRB_INTR_MASK 0x3ff 2652d1de850SGerd Hoffmann #define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK) 2662d1de850SGerd Hoffmann 267f1ae32a1SGerd Hoffmann #define EP_TYPE_MASK 0x7 268f1ae32a1SGerd Hoffmann #define EP_TYPE_SHIFT 3 269f1ae32a1SGerd Hoffmann 270f1ae32a1SGerd Hoffmann #define EP_STATE_MASK 0x7 271f1ae32a1SGerd Hoffmann #define EP_DISABLED (0<<0) 272f1ae32a1SGerd Hoffmann #define EP_RUNNING (1<<0) 273f1ae32a1SGerd Hoffmann #define EP_HALTED (2<<0) 274f1ae32a1SGerd Hoffmann #define EP_STOPPED (3<<0) 275f1ae32a1SGerd Hoffmann #define EP_ERROR (4<<0) 276f1ae32a1SGerd Hoffmann 277f1ae32a1SGerd Hoffmann #define SLOT_STATE_MASK 0x1f 278f1ae32a1SGerd Hoffmann #define SLOT_STATE_SHIFT 27 279f1ae32a1SGerd Hoffmann #define SLOT_STATE(s) (((s)>>SLOT_STATE_SHIFT)&SLOT_STATE_MASK) 280f1ae32a1SGerd Hoffmann #define SLOT_ENABLED 0 281f1ae32a1SGerd Hoffmann #define SLOT_DEFAULT 1 282f1ae32a1SGerd Hoffmann #define SLOT_ADDRESSED 2 283f1ae32a1SGerd Hoffmann #define SLOT_CONFIGURED 3 284f1ae32a1SGerd Hoffmann 285f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_MASK 0x1f 286f1ae32a1SGerd Hoffmann #define SLOT_CONTEXT_ENTRIES_SHIFT 27 287f1ae32a1SGerd Hoffmann 2881d8a4e69SGerd Hoffmann typedef struct XHCIState XHCIState; 2891d8a4e69SGerd Hoffmann 290f1ae32a1SGerd Hoffmann typedef enum EPType { 291f1ae32a1SGerd Hoffmann ET_INVALID = 0, 292f1ae32a1SGerd Hoffmann ET_ISO_OUT, 293f1ae32a1SGerd Hoffmann ET_BULK_OUT, 294f1ae32a1SGerd Hoffmann ET_INTR_OUT, 295f1ae32a1SGerd Hoffmann ET_CONTROL, 296f1ae32a1SGerd Hoffmann ET_ISO_IN, 297f1ae32a1SGerd Hoffmann ET_BULK_IN, 298f1ae32a1SGerd Hoffmann ET_INTR_IN, 299f1ae32a1SGerd Hoffmann } EPType; 300f1ae32a1SGerd Hoffmann 301f1ae32a1SGerd Hoffmann typedef struct XHCIRing { 30259a70ccdSDavid Gibson dma_addr_t base; 30359a70ccdSDavid Gibson dma_addr_t dequeue; 304f1ae32a1SGerd Hoffmann bool ccs; 305f1ae32a1SGerd Hoffmann } XHCIRing; 306f1ae32a1SGerd Hoffmann 307f1ae32a1SGerd Hoffmann typedef struct XHCIPort { 3081d8a4e69SGerd Hoffmann XHCIState *xhci; 309f1ae32a1SGerd Hoffmann uint32_t portsc; 3100846e635SGerd Hoffmann uint32_t portnr; 3110846e635SGerd Hoffmann USBPort *uport; 3120846e635SGerd Hoffmann uint32_t speedmask; 3131d8a4e69SGerd Hoffmann char name[16]; 3141d8a4e69SGerd Hoffmann MemoryRegion mem; 315f1ae32a1SGerd Hoffmann } XHCIPort; 316f1ae32a1SGerd Hoffmann 317f1ae32a1SGerd Hoffmann typedef struct XHCITransfer { 318f1ae32a1SGerd Hoffmann XHCIState *xhci; 319f1ae32a1SGerd Hoffmann USBPacket packet; 320d5a15814SGerd Hoffmann QEMUSGList sgl; 321f1ae32a1SGerd Hoffmann bool running_async; 322f1ae32a1SGerd Hoffmann bool running_retry; 323f1ae32a1SGerd Hoffmann bool cancelled; 324f1ae32a1SGerd Hoffmann bool complete; 325f1ae32a1SGerd Hoffmann unsigned int iso_pkts; 326f1ae32a1SGerd Hoffmann unsigned int slotid; 327f1ae32a1SGerd Hoffmann unsigned int epid; 328f1ae32a1SGerd Hoffmann bool in_xfer; 329f1ae32a1SGerd Hoffmann bool iso_xfer; 330f1ae32a1SGerd Hoffmann 331f1ae32a1SGerd Hoffmann unsigned int trb_count; 332f1ae32a1SGerd Hoffmann unsigned int trb_alloced; 333f1ae32a1SGerd Hoffmann XHCITRB *trbs; 334f1ae32a1SGerd Hoffmann 335f1ae32a1SGerd Hoffmann TRBCCode status; 336f1ae32a1SGerd Hoffmann 337f1ae32a1SGerd Hoffmann unsigned int pkts; 338f1ae32a1SGerd Hoffmann unsigned int pktsize; 339f1ae32a1SGerd Hoffmann unsigned int cur_pkt; 3403d139684SGerd Hoffmann 3413d139684SGerd Hoffmann uint64_t mfindex_kick; 342f1ae32a1SGerd Hoffmann } XHCITransfer; 343f1ae32a1SGerd Hoffmann 344f1ae32a1SGerd Hoffmann typedef struct XHCIEPContext { 3453d139684SGerd Hoffmann XHCIState *xhci; 3463d139684SGerd Hoffmann unsigned int slotid; 3473d139684SGerd Hoffmann unsigned int epid; 3483d139684SGerd Hoffmann 349f1ae32a1SGerd Hoffmann XHCIRing ring; 350f1ae32a1SGerd Hoffmann unsigned int next_xfer; 351f1ae32a1SGerd Hoffmann unsigned int comp_xfer; 352f1ae32a1SGerd Hoffmann XHCITransfer transfers[TD_QUEUE]; 353f1ae32a1SGerd Hoffmann XHCITransfer *retry; 354f1ae32a1SGerd Hoffmann EPType type; 35559a70ccdSDavid Gibson dma_addr_t pctx; 356f1ae32a1SGerd Hoffmann unsigned int max_psize; 357f1ae32a1SGerd Hoffmann uint32_t state; 3583d139684SGerd Hoffmann 3593d139684SGerd Hoffmann /* iso xfer scheduling */ 3603d139684SGerd Hoffmann unsigned int interval; 3613d139684SGerd Hoffmann int64_t mfindex_last; 3623d139684SGerd Hoffmann QEMUTimer *kick_timer; 363f1ae32a1SGerd Hoffmann } XHCIEPContext; 364f1ae32a1SGerd Hoffmann 365f1ae32a1SGerd Hoffmann typedef struct XHCISlot { 366f1ae32a1SGerd Hoffmann bool enabled; 36759a70ccdSDavid Gibson dma_addr_t ctx; 368ccaf87a0SGerd Hoffmann USBPort *uport; 369f1ae32a1SGerd Hoffmann unsigned int devaddr; 370f1ae32a1SGerd Hoffmann XHCIEPContext * eps[31]; 371f1ae32a1SGerd Hoffmann } XHCISlot; 372f1ae32a1SGerd Hoffmann 373f1ae32a1SGerd Hoffmann typedef struct XHCIEvent { 374f1ae32a1SGerd Hoffmann TRBType type; 375f1ae32a1SGerd Hoffmann TRBCCode ccode; 376f1ae32a1SGerd Hoffmann uint64_t ptr; 377f1ae32a1SGerd Hoffmann uint32_t length; 378f1ae32a1SGerd Hoffmann uint32_t flags; 379f1ae32a1SGerd Hoffmann uint8_t slotid; 380f1ae32a1SGerd Hoffmann uint8_t epid; 381f1ae32a1SGerd Hoffmann } XHCIEvent; 382f1ae32a1SGerd Hoffmann 383962d11e1SGerd Hoffmann typedef struct XHCIInterrupter { 384962d11e1SGerd Hoffmann uint32_t iman; 385962d11e1SGerd Hoffmann uint32_t imod; 386962d11e1SGerd Hoffmann uint32_t erstsz; 387962d11e1SGerd Hoffmann uint32_t erstba_low; 388962d11e1SGerd Hoffmann uint32_t erstba_high; 389962d11e1SGerd Hoffmann uint32_t erdp_low; 390962d11e1SGerd Hoffmann uint32_t erdp_high; 391962d11e1SGerd Hoffmann 392962d11e1SGerd Hoffmann bool msix_used, er_pcs, er_full; 393962d11e1SGerd Hoffmann 394962d11e1SGerd Hoffmann dma_addr_t er_start; 395962d11e1SGerd Hoffmann uint32_t er_size; 396962d11e1SGerd Hoffmann unsigned int er_ep_idx; 397962d11e1SGerd Hoffmann 398962d11e1SGerd Hoffmann XHCIEvent ev_buffer[EV_QUEUE]; 399962d11e1SGerd Hoffmann unsigned int ev_buffer_put; 400962d11e1SGerd Hoffmann unsigned int ev_buffer_get; 401962d11e1SGerd Hoffmann 402962d11e1SGerd Hoffmann } XHCIInterrupter; 403962d11e1SGerd Hoffmann 404f1ae32a1SGerd Hoffmann struct XHCIState { 405f1ae32a1SGerd Hoffmann PCIDevice pci_dev; 406f1ae32a1SGerd Hoffmann USBBus bus; 407f1ae32a1SGerd Hoffmann qemu_irq irq; 408f1ae32a1SGerd Hoffmann MemoryRegion mem; 4091b067564SGerd Hoffmann MemoryRegion mem_cap; 4101b067564SGerd Hoffmann MemoryRegion mem_oper; 4111b067564SGerd Hoffmann MemoryRegion mem_runtime; 4121b067564SGerd Hoffmann MemoryRegion mem_doorbell; 413f1ae32a1SGerd Hoffmann const char *name; 414f1ae32a1SGerd Hoffmann unsigned int devaddr; 415f1ae32a1SGerd Hoffmann 4160846e635SGerd Hoffmann /* properties */ 4170846e635SGerd Hoffmann uint32_t numports_2; 4180846e635SGerd Hoffmann uint32_t numports_3; 419c5e9b02dSGerd Hoffmann uint32_t flags; 4200846e635SGerd Hoffmann 421f1ae32a1SGerd Hoffmann /* Operational Registers */ 422f1ae32a1SGerd Hoffmann uint32_t usbcmd; 423f1ae32a1SGerd Hoffmann uint32_t usbsts; 424f1ae32a1SGerd Hoffmann uint32_t dnctrl; 425f1ae32a1SGerd Hoffmann uint32_t crcr_low; 426f1ae32a1SGerd Hoffmann uint32_t crcr_high; 427f1ae32a1SGerd Hoffmann uint32_t dcbaap_low; 428f1ae32a1SGerd Hoffmann uint32_t dcbaap_high; 429f1ae32a1SGerd Hoffmann uint32_t config; 430f1ae32a1SGerd Hoffmann 4310846e635SGerd Hoffmann USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)]; 432f1ae32a1SGerd Hoffmann XHCIPort ports[MAXPORTS]; 433f1ae32a1SGerd Hoffmann XHCISlot slots[MAXSLOTS]; 4340846e635SGerd Hoffmann uint32_t numports; 435f1ae32a1SGerd Hoffmann 436f1ae32a1SGerd Hoffmann /* Runtime Registers */ 43701546fa6SGerd Hoffmann int64_t mfindex_start; 43801546fa6SGerd Hoffmann QEMUTimer *mfwrap_timer; 439962d11e1SGerd Hoffmann XHCIInterrupter intr[MAXINTRS]; 440f1ae32a1SGerd Hoffmann 441f1ae32a1SGerd Hoffmann XHCIRing cmd_ring; 442f1ae32a1SGerd Hoffmann }; 443f1ae32a1SGerd Hoffmann 444f1ae32a1SGerd Hoffmann typedef struct XHCIEvRingSeg { 445f1ae32a1SGerd Hoffmann uint32_t addr_low; 446f1ae32a1SGerd Hoffmann uint32_t addr_high; 447f1ae32a1SGerd Hoffmann uint32_t size; 448f1ae32a1SGerd Hoffmann uint32_t rsvd; 449f1ae32a1SGerd Hoffmann } XHCIEvRingSeg; 450f1ae32a1SGerd Hoffmann 451c5e9b02dSGerd Hoffmann enum xhci_flags { 452c5e9b02dSGerd Hoffmann XHCI_FLAG_USE_MSI = 1, 4534c47f800SGerd Hoffmann XHCI_FLAG_USE_MSI_X, 454c5e9b02dSGerd Hoffmann }; 455c5e9b02dSGerd Hoffmann 45601546fa6SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, 45701546fa6SGerd Hoffmann unsigned int epid); 458962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); 459962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); 46001546fa6SGerd Hoffmann 461f1ae32a1SGerd Hoffmann static const char *TRBType_names[] = { 462f1ae32a1SGerd Hoffmann [TRB_RESERVED] = "TRB_RESERVED", 463f1ae32a1SGerd Hoffmann [TR_NORMAL] = "TR_NORMAL", 464f1ae32a1SGerd Hoffmann [TR_SETUP] = "TR_SETUP", 465f1ae32a1SGerd Hoffmann [TR_DATA] = "TR_DATA", 466f1ae32a1SGerd Hoffmann [TR_STATUS] = "TR_STATUS", 467f1ae32a1SGerd Hoffmann [TR_ISOCH] = "TR_ISOCH", 468f1ae32a1SGerd Hoffmann [TR_LINK] = "TR_LINK", 469f1ae32a1SGerd Hoffmann [TR_EVDATA] = "TR_EVDATA", 470f1ae32a1SGerd Hoffmann [TR_NOOP] = "TR_NOOP", 471f1ae32a1SGerd Hoffmann [CR_ENABLE_SLOT] = "CR_ENABLE_SLOT", 472f1ae32a1SGerd Hoffmann [CR_DISABLE_SLOT] = "CR_DISABLE_SLOT", 473f1ae32a1SGerd Hoffmann [CR_ADDRESS_DEVICE] = "CR_ADDRESS_DEVICE", 474f1ae32a1SGerd Hoffmann [CR_CONFIGURE_ENDPOINT] = "CR_CONFIGURE_ENDPOINT", 475f1ae32a1SGerd Hoffmann [CR_EVALUATE_CONTEXT] = "CR_EVALUATE_CONTEXT", 476f1ae32a1SGerd Hoffmann [CR_RESET_ENDPOINT] = "CR_RESET_ENDPOINT", 477f1ae32a1SGerd Hoffmann [CR_STOP_ENDPOINT] = "CR_STOP_ENDPOINT", 478f1ae32a1SGerd Hoffmann [CR_SET_TR_DEQUEUE] = "CR_SET_TR_DEQUEUE", 479f1ae32a1SGerd Hoffmann [CR_RESET_DEVICE] = "CR_RESET_DEVICE", 480f1ae32a1SGerd Hoffmann [CR_FORCE_EVENT] = "CR_FORCE_EVENT", 481f1ae32a1SGerd Hoffmann [CR_NEGOTIATE_BW] = "CR_NEGOTIATE_BW", 482f1ae32a1SGerd Hoffmann [CR_SET_LATENCY_TOLERANCE] = "CR_SET_LATENCY_TOLERANCE", 483f1ae32a1SGerd Hoffmann [CR_GET_PORT_BANDWIDTH] = "CR_GET_PORT_BANDWIDTH", 484f1ae32a1SGerd Hoffmann [CR_FORCE_HEADER] = "CR_FORCE_HEADER", 485f1ae32a1SGerd Hoffmann [CR_NOOP] = "CR_NOOP", 486f1ae32a1SGerd Hoffmann [ER_TRANSFER] = "ER_TRANSFER", 487f1ae32a1SGerd Hoffmann [ER_COMMAND_COMPLETE] = "ER_COMMAND_COMPLETE", 488f1ae32a1SGerd Hoffmann [ER_PORT_STATUS_CHANGE] = "ER_PORT_STATUS_CHANGE", 489f1ae32a1SGerd Hoffmann [ER_BANDWIDTH_REQUEST] = "ER_BANDWIDTH_REQUEST", 490f1ae32a1SGerd Hoffmann [ER_DOORBELL] = "ER_DOORBELL", 491f1ae32a1SGerd Hoffmann [ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER", 492f1ae32a1SGerd Hoffmann [ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION", 493f1ae32a1SGerd Hoffmann [ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP", 494f1ae32a1SGerd Hoffmann [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE", 495f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION", 496f1ae32a1SGerd Hoffmann [CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE", 497f1ae32a1SGerd Hoffmann }; 498f1ae32a1SGerd Hoffmann 499873123feSGerd Hoffmann static const char *TRBCCode_names[] = { 500873123feSGerd Hoffmann [CC_INVALID] = "CC_INVALID", 501873123feSGerd Hoffmann [CC_SUCCESS] = "CC_SUCCESS", 502873123feSGerd Hoffmann [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR", 503873123feSGerd Hoffmann [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED", 504873123feSGerd Hoffmann [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR", 505873123feSGerd Hoffmann [CC_TRB_ERROR] = "CC_TRB_ERROR", 506873123feSGerd Hoffmann [CC_STALL_ERROR] = "CC_STALL_ERROR", 507873123feSGerd Hoffmann [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR", 508873123feSGerd Hoffmann [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR", 509873123feSGerd Hoffmann [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR", 510873123feSGerd Hoffmann [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR", 511873123feSGerd Hoffmann [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR", 512873123feSGerd Hoffmann [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR", 513873123feSGerd Hoffmann [CC_SHORT_PACKET] = "CC_SHORT_PACKET", 514873123feSGerd Hoffmann [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN", 515873123feSGerd Hoffmann [CC_RING_OVERRUN] = "CC_RING_OVERRUN", 516873123feSGerd Hoffmann [CC_VF_ER_FULL] = "CC_VF_ER_FULL", 517873123feSGerd Hoffmann [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR", 518873123feSGerd Hoffmann [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN", 519873123feSGerd Hoffmann [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR", 520873123feSGerd Hoffmann [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR", 521873123feSGerd Hoffmann [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR", 522873123feSGerd Hoffmann [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR", 523873123feSGerd Hoffmann [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR", 524873123feSGerd Hoffmann [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED", 525873123feSGerd Hoffmann [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED", 526873123feSGerd Hoffmann [CC_STOPPED] = "CC_STOPPED", 527873123feSGerd Hoffmann [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID", 528873123feSGerd Hoffmann [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR] 529873123feSGerd Hoffmann = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR", 530873123feSGerd Hoffmann [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN", 531873123feSGerd Hoffmann [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR", 532873123feSGerd Hoffmann [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR", 533873123feSGerd Hoffmann [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR", 534873123feSGerd Hoffmann [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR", 535873123feSGerd Hoffmann [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR", 536873123feSGerd Hoffmann }; 537873123feSGerd Hoffmann 538f1ae32a1SGerd Hoffmann static const char *lookup_name(uint32_t index, const char **list, uint32_t llen) 539f1ae32a1SGerd Hoffmann { 540f1ae32a1SGerd Hoffmann if (index >= llen || list[index] == NULL) { 541f1ae32a1SGerd Hoffmann return "???"; 542f1ae32a1SGerd Hoffmann } 543f1ae32a1SGerd Hoffmann return list[index]; 544f1ae32a1SGerd Hoffmann } 545f1ae32a1SGerd Hoffmann 546f1ae32a1SGerd Hoffmann static const char *trb_name(XHCITRB *trb) 547f1ae32a1SGerd Hoffmann { 548f1ae32a1SGerd Hoffmann return lookup_name(TRB_TYPE(*trb), TRBType_names, 549f1ae32a1SGerd Hoffmann ARRAY_SIZE(TRBType_names)); 550f1ae32a1SGerd Hoffmann } 551f1ae32a1SGerd Hoffmann 552873123feSGerd Hoffmann static const char *event_name(XHCIEvent *event) 553873123feSGerd Hoffmann { 554873123feSGerd Hoffmann return lookup_name(event->ccode, TRBCCode_names, 555873123feSGerd Hoffmann ARRAY_SIZE(TRBCCode_names)); 556873123feSGerd Hoffmann } 557873123feSGerd Hoffmann 55801546fa6SGerd Hoffmann static uint64_t xhci_mfindex_get(XHCIState *xhci) 55901546fa6SGerd Hoffmann { 56001546fa6SGerd Hoffmann int64_t now = qemu_get_clock_ns(vm_clock); 56101546fa6SGerd Hoffmann return (now - xhci->mfindex_start) / 125000; 56201546fa6SGerd Hoffmann } 56301546fa6SGerd Hoffmann 56401546fa6SGerd Hoffmann static void xhci_mfwrap_update(XHCIState *xhci) 56501546fa6SGerd Hoffmann { 56601546fa6SGerd Hoffmann const uint32_t bits = USBCMD_RS | USBCMD_EWE; 56701546fa6SGerd Hoffmann uint32_t mfindex, left; 56801546fa6SGerd Hoffmann int64_t now; 56901546fa6SGerd Hoffmann 57001546fa6SGerd Hoffmann if ((xhci->usbcmd & bits) == bits) { 57101546fa6SGerd Hoffmann now = qemu_get_clock_ns(vm_clock); 57201546fa6SGerd Hoffmann mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff; 57301546fa6SGerd Hoffmann left = 0x4000 - mfindex; 57401546fa6SGerd Hoffmann qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000); 57501546fa6SGerd Hoffmann } else { 57601546fa6SGerd Hoffmann qemu_del_timer(xhci->mfwrap_timer); 57701546fa6SGerd Hoffmann } 57801546fa6SGerd Hoffmann } 57901546fa6SGerd Hoffmann 58001546fa6SGerd Hoffmann static void xhci_mfwrap_timer(void *opaque) 58101546fa6SGerd Hoffmann { 58201546fa6SGerd Hoffmann XHCIState *xhci = opaque; 58301546fa6SGerd Hoffmann XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS }; 58401546fa6SGerd Hoffmann 585962d11e1SGerd Hoffmann xhci_event(xhci, &wrap, 0); 58601546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 58701546fa6SGerd Hoffmann } 588f1ae32a1SGerd Hoffmann 58959a70ccdSDavid Gibson static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high) 590f1ae32a1SGerd Hoffmann { 59159a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 592f1ae32a1SGerd Hoffmann return low; 59359a70ccdSDavid Gibson } else { 59459a70ccdSDavid Gibson return low | (((dma_addr_t)high << 16) << 16); 59559a70ccdSDavid Gibson } 596f1ae32a1SGerd Hoffmann } 597f1ae32a1SGerd Hoffmann 59859a70ccdSDavid Gibson static inline dma_addr_t xhci_mask64(uint64_t addr) 599f1ae32a1SGerd Hoffmann { 60059a70ccdSDavid Gibson if (sizeof(dma_addr_t) == 4) { 601f1ae32a1SGerd Hoffmann return addr & 0xffffffff; 60259a70ccdSDavid Gibson } else { 60359a70ccdSDavid Gibson return addr; 60459a70ccdSDavid Gibson } 605f1ae32a1SGerd Hoffmann } 606f1ae32a1SGerd Hoffmann 6070846e635SGerd Hoffmann static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport) 6080846e635SGerd Hoffmann { 6090846e635SGerd Hoffmann int index; 6100846e635SGerd Hoffmann 6110846e635SGerd Hoffmann if (!uport->dev) { 6120846e635SGerd Hoffmann return NULL; 6130846e635SGerd Hoffmann } 6140846e635SGerd Hoffmann switch (uport->dev->speed) { 6150846e635SGerd Hoffmann case USB_SPEED_LOW: 6160846e635SGerd Hoffmann case USB_SPEED_FULL: 6170846e635SGerd Hoffmann case USB_SPEED_HIGH: 6180846e635SGerd Hoffmann index = uport->index; 6190846e635SGerd Hoffmann break; 6200846e635SGerd Hoffmann case USB_SPEED_SUPER: 6210846e635SGerd Hoffmann index = uport->index + xhci->numports_2; 6220846e635SGerd Hoffmann break; 6230846e635SGerd Hoffmann default: 6240846e635SGerd Hoffmann return NULL; 6250846e635SGerd Hoffmann } 6260846e635SGerd Hoffmann return &xhci->ports[index]; 6270846e635SGerd Hoffmann } 6280846e635SGerd Hoffmann 6294c4abe7cSGerd Hoffmann static void xhci_intx_update(XHCIState *xhci) 630f1ae32a1SGerd Hoffmann { 631f1ae32a1SGerd Hoffmann int level = 0; 632f1ae32a1SGerd Hoffmann 6334c47f800SGerd Hoffmann if (msix_enabled(&xhci->pci_dev) || 6344c47f800SGerd Hoffmann msi_enabled(&xhci->pci_dev)) { 6354c4abe7cSGerd Hoffmann return; 6364c4abe7cSGerd Hoffmann } 6374c4abe7cSGerd Hoffmann 638962d11e1SGerd Hoffmann if (xhci->intr[0].iman & IMAN_IP && 639962d11e1SGerd Hoffmann xhci->intr[0].iman & IMAN_IE && 640215bff17SLai Jiangshan xhci->usbcmd & USBCMD_INTE) { 641f1ae32a1SGerd Hoffmann level = 1; 642f1ae32a1SGerd Hoffmann } 643f1ae32a1SGerd Hoffmann 6447acd279fSGerd Hoffmann trace_usb_xhci_irq_intx(level); 645f1ae32a1SGerd Hoffmann qemu_set_irq(xhci->irq, level); 646f1ae32a1SGerd Hoffmann } 6474c4abe7cSGerd Hoffmann 648962d11e1SGerd Hoffmann static void xhci_msix_update(XHCIState *xhci, int v) 6494c47f800SGerd Hoffmann { 6504c47f800SGerd Hoffmann bool enabled; 6514c47f800SGerd Hoffmann 6524c47f800SGerd Hoffmann if (!msix_enabled(&xhci->pci_dev)) { 6534c47f800SGerd Hoffmann return; 6544c47f800SGerd Hoffmann } 6554c47f800SGerd Hoffmann 656962d11e1SGerd Hoffmann enabled = xhci->intr[v].iman & IMAN_IE; 657962d11e1SGerd Hoffmann if (enabled == xhci->intr[v].msix_used) { 6584c47f800SGerd Hoffmann return; 6594c47f800SGerd Hoffmann } 6604c47f800SGerd Hoffmann 6614c47f800SGerd Hoffmann if (enabled) { 662962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_use(v); 663962d11e1SGerd Hoffmann msix_vector_use(&xhci->pci_dev, v); 664962d11e1SGerd Hoffmann xhci->intr[v].msix_used = true; 6654c47f800SGerd Hoffmann } else { 666962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix_unuse(v); 667962d11e1SGerd Hoffmann msix_vector_unuse(&xhci->pci_dev, v); 668962d11e1SGerd Hoffmann xhci->intr[v].msix_used = false; 6694c47f800SGerd Hoffmann } 6704c47f800SGerd Hoffmann } 6714c47f800SGerd Hoffmann 672962d11e1SGerd Hoffmann static void xhci_intr_raise(XHCIState *xhci, int v) 6734c4abe7cSGerd Hoffmann { 674962d11e1SGerd Hoffmann xhci->intr[v].erdp_low |= ERDP_EHB; 675962d11e1SGerd Hoffmann xhci->intr[v].iman |= IMAN_IP; 6762cae4119SGerd Hoffmann xhci->usbsts |= USBSTS_EINT; 6772cae4119SGerd Hoffmann 678962d11e1SGerd Hoffmann if (!(xhci->intr[v].iman & IMAN_IE)) { 6794c4abe7cSGerd Hoffmann return; 6804c4abe7cSGerd Hoffmann } 6814c4abe7cSGerd Hoffmann 6824c4abe7cSGerd Hoffmann if (!(xhci->usbcmd & USBCMD_INTE)) { 6834c4abe7cSGerd Hoffmann return; 6844c4abe7cSGerd Hoffmann } 6854c4abe7cSGerd Hoffmann 6864c47f800SGerd Hoffmann if (msix_enabled(&xhci->pci_dev)) { 687962d11e1SGerd Hoffmann trace_usb_xhci_irq_msix(v); 688962d11e1SGerd Hoffmann msix_notify(&xhci->pci_dev, v); 6894c47f800SGerd Hoffmann return; 6904c47f800SGerd Hoffmann } 6914c47f800SGerd Hoffmann 6924c4abe7cSGerd Hoffmann if (msi_enabled(&xhci->pci_dev)) { 693962d11e1SGerd Hoffmann trace_usb_xhci_irq_msi(v); 694962d11e1SGerd Hoffmann msi_notify(&xhci->pci_dev, v); 6954c4abe7cSGerd Hoffmann return; 6964c4abe7cSGerd Hoffmann } 6974c4abe7cSGerd Hoffmann 698962d11e1SGerd Hoffmann if (v == 0) { 6994c4abe7cSGerd Hoffmann trace_usb_xhci_irq_intx(1); 7004c4abe7cSGerd Hoffmann qemu_set_irq(xhci->irq, 1); 701f1ae32a1SGerd Hoffmann } 702962d11e1SGerd Hoffmann } 703f1ae32a1SGerd Hoffmann 704f1ae32a1SGerd Hoffmann static inline int xhci_running(XHCIState *xhci) 705f1ae32a1SGerd Hoffmann { 706962d11e1SGerd Hoffmann return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full; 707f1ae32a1SGerd Hoffmann } 708f1ae32a1SGerd Hoffmann 709f1ae32a1SGerd Hoffmann static void xhci_die(XHCIState *xhci) 710f1ae32a1SGerd Hoffmann { 711f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCE; 712f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: asserted controller error\n"); 713f1ae32a1SGerd Hoffmann } 714f1ae32a1SGerd Hoffmann 715962d11e1SGerd Hoffmann static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v) 716f1ae32a1SGerd Hoffmann { 717962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 718f1ae32a1SGerd Hoffmann XHCITRB ev_trb; 71959a70ccdSDavid Gibson dma_addr_t addr; 720f1ae32a1SGerd Hoffmann 721f1ae32a1SGerd Hoffmann ev_trb.parameter = cpu_to_le64(event->ptr); 722f1ae32a1SGerd Hoffmann ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24)); 723f1ae32a1SGerd Hoffmann ev_trb.control = (event->slotid << 24) | (event->epid << 16) | 724f1ae32a1SGerd Hoffmann event->flags | (event->type << TRB_TYPE_SHIFT); 725962d11e1SGerd Hoffmann if (intr->er_pcs) { 726f1ae32a1SGerd Hoffmann ev_trb.control |= TRB_C; 727f1ae32a1SGerd Hoffmann } 728f1ae32a1SGerd Hoffmann ev_trb.control = cpu_to_le32(ev_trb.control); 729f1ae32a1SGerd Hoffmann 730962d11e1SGerd Hoffmann trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb), 731873123feSGerd Hoffmann event_name(event), ev_trb.parameter, 732873123feSGerd Hoffmann ev_trb.status, ev_trb.control); 733f1ae32a1SGerd Hoffmann 734962d11e1SGerd Hoffmann addr = intr->er_start + TRB_SIZE*intr->er_ep_idx; 73559a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE); 736f1ae32a1SGerd Hoffmann 737962d11e1SGerd Hoffmann intr->er_ep_idx++; 738962d11e1SGerd Hoffmann if (intr->er_ep_idx >= intr->er_size) { 739962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 740962d11e1SGerd Hoffmann intr->er_pcs = !intr->er_pcs; 741f1ae32a1SGerd Hoffmann } 742f1ae32a1SGerd Hoffmann } 743f1ae32a1SGerd Hoffmann 744962d11e1SGerd Hoffmann static void xhci_events_update(XHCIState *xhci, int v) 745f1ae32a1SGerd Hoffmann { 746962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 74759a70ccdSDavid Gibson dma_addr_t erdp; 748f1ae32a1SGerd Hoffmann unsigned int dp_idx; 749f1ae32a1SGerd Hoffmann bool do_irq = 0; 750f1ae32a1SGerd Hoffmann 751f1ae32a1SGerd Hoffmann if (xhci->usbsts & USBSTS_HCH) { 752f1ae32a1SGerd Hoffmann return; 753f1ae32a1SGerd Hoffmann } 754f1ae32a1SGerd Hoffmann 755962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 756962d11e1SGerd Hoffmann if (erdp < intr->er_start || 757962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 75859a70ccdSDavid Gibson fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 759962d11e1SGerd Hoffmann fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 760962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 761f1ae32a1SGerd Hoffmann xhci_die(xhci); 762f1ae32a1SGerd Hoffmann return; 763f1ae32a1SGerd Hoffmann } 764962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 765962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 766f1ae32a1SGerd Hoffmann 767f1ae32a1SGerd Hoffmann /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus 768f1ae32a1SGerd Hoffmann * deadlocks when the ER is full. Hack it by holding off events until 769f1ae32a1SGerd Hoffmann * the driver decides to free at least half of the ring */ 770962d11e1SGerd Hoffmann if (intr->er_full) { 771962d11e1SGerd Hoffmann int er_free = dp_idx - intr->er_ep_idx; 772f1ae32a1SGerd Hoffmann if (er_free <= 0) { 773962d11e1SGerd Hoffmann er_free += intr->er_size; 774f1ae32a1SGerd Hoffmann } 775962d11e1SGerd Hoffmann if (er_free < (intr->er_size/2)) { 776f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring still " 777f1ae32a1SGerd Hoffmann "more than half full (hack)\n"); 778f1ae32a1SGerd Hoffmann return; 779f1ae32a1SGerd Hoffmann } 780f1ae32a1SGerd Hoffmann } 781f1ae32a1SGerd Hoffmann 782962d11e1SGerd Hoffmann while (intr->ev_buffer_put != intr->ev_buffer_get) { 783962d11e1SGerd Hoffmann assert(intr->er_full); 784962d11e1SGerd Hoffmann if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) { 785f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring full again\n"); 786f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 787f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 788962d11e1SGerd Hoffmann xhci_write_event(xhci, &full, v); 789f1ae32a1SGerd Hoffmann #endif 790f1ae32a1SGerd Hoffmann do_irq = 1; 791f1ae32a1SGerd Hoffmann break; 792f1ae32a1SGerd Hoffmann } 793962d11e1SGerd Hoffmann XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get]; 794962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 795962d11e1SGerd Hoffmann intr->ev_buffer_get++; 796f1ae32a1SGerd Hoffmann do_irq = 1; 797962d11e1SGerd Hoffmann if (intr->ev_buffer_get == EV_QUEUE) { 798962d11e1SGerd Hoffmann intr->ev_buffer_get = 0; 799f1ae32a1SGerd Hoffmann } 800f1ae32a1SGerd Hoffmann } 801f1ae32a1SGerd Hoffmann 802f1ae32a1SGerd Hoffmann if (do_irq) { 803962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 804f1ae32a1SGerd Hoffmann } 805f1ae32a1SGerd Hoffmann 806962d11e1SGerd Hoffmann if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) { 807f1ae32a1SGerd Hoffmann DPRINTF("xhci_events_update(): event ring no longer full\n"); 808962d11e1SGerd Hoffmann intr->er_full = 0; 809f1ae32a1SGerd Hoffmann } 810f1ae32a1SGerd Hoffmann } 811f1ae32a1SGerd Hoffmann 812962d11e1SGerd Hoffmann static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) 813f1ae32a1SGerd Hoffmann { 8142d1de850SGerd Hoffmann XHCIInterrupter *intr; 81559a70ccdSDavid Gibson dma_addr_t erdp; 816f1ae32a1SGerd Hoffmann unsigned int dp_idx; 817f1ae32a1SGerd Hoffmann 8182d1de850SGerd Hoffmann if (v >= MAXINTRS) { 8192d1de850SGerd Hoffmann DPRINTF("intr nr out of range (%d >= %d)\n", v, MAXINTRS); 8202d1de850SGerd Hoffmann return; 8212d1de850SGerd Hoffmann } 8222d1de850SGerd Hoffmann intr = &xhci->intr[v]; 8232d1de850SGerd Hoffmann 824962d11e1SGerd Hoffmann if (intr->er_full) { 825f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 826962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 827f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: event queue full, dropping event!\n"); 828f1ae32a1SGerd Hoffmann return; 829f1ae32a1SGerd Hoffmann } 830962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 831962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 832962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 833f1ae32a1SGerd Hoffmann } 834f1ae32a1SGerd Hoffmann return; 835f1ae32a1SGerd Hoffmann } 836f1ae32a1SGerd Hoffmann 837962d11e1SGerd Hoffmann erdp = xhci_addr64(intr->erdp_low, intr->erdp_high); 838962d11e1SGerd Hoffmann if (erdp < intr->er_start || 839962d11e1SGerd Hoffmann erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) { 84059a70ccdSDavid Gibson fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp); 841962d11e1SGerd Hoffmann fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n", 842962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 843f1ae32a1SGerd Hoffmann xhci_die(xhci); 844f1ae32a1SGerd Hoffmann return; 845f1ae32a1SGerd Hoffmann } 846f1ae32a1SGerd Hoffmann 847962d11e1SGerd Hoffmann dp_idx = (erdp - intr->er_start) / TRB_SIZE; 848962d11e1SGerd Hoffmann assert(dp_idx < intr->er_size); 849f1ae32a1SGerd Hoffmann 850962d11e1SGerd Hoffmann if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) { 851f1ae32a1SGerd Hoffmann DPRINTF("xhci_event(): ER full, queueing\n"); 852f1ae32a1SGerd Hoffmann #ifndef ER_FULL_HACK 853f1ae32a1SGerd Hoffmann XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR}; 854f1ae32a1SGerd Hoffmann xhci_write_event(xhci, &full); 855f1ae32a1SGerd Hoffmann #endif 856962d11e1SGerd Hoffmann intr->er_full = 1; 857962d11e1SGerd Hoffmann if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) { 858f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: event queue full, dropping event!\n"); 859f1ae32a1SGerd Hoffmann return; 860f1ae32a1SGerd Hoffmann } 861962d11e1SGerd Hoffmann intr->ev_buffer[intr->ev_buffer_put++] = *event; 862962d11e1SGerd Hoffmann if (intr->ev_buffer_put == EV_QUEUE) { 863962d11e1SGerd Hoffmann intr->ev_buffer_put = 0; 864f1ae32a1SGerd Hoffmann } 865f1ae32a1SGerd Hoffmann } else { 866962d11e1SGerd Hoffmann xhci_write_event(xhci, event, v); 867f1ae32a1SGerd Hoffmann } 868f1ae32a1SGerd Hoffmann 869962d11e1SGerd Hoffmann xhci_intr_raise(xhci, v); 870f1ae32a1SGerd Hoffmann } 871f1ae32a1SGerd Hoffmann 872f1ae32a1SGerd Hoffmann static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring, 87359a70ccdSDavid Gibson dma_addr_t base) 874f1ae32a1SGerd Hoffmann { 875f1ae32a1SGerd Hoffmann ring->base = base; 876f1ae32a1SGerd Hoffmann ring->dequeue = base; 877f1ae32a1SGerd Hoffmann ring->ccs = 1; 878f1ae32a1SGerd Hoffmann } 879f1ae32a1SGerd Hoffmann 880f1ae32a1SGerd Hoffmann static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb, 88159a70ccdSDavid Gibson dma_addr_t *addr) 882f1ae32a1SGerd Hoffmann { 883f1ae32a1SGerd Hoffmann while (1) { 884f1ae32a1SGerd Hoffmann TRBType type; 88559a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ring->dequeue, trb, TRB_SIZE); 886f1ae32a1SGerd Hoffmann trb->addr = ring->dequeue; 887f1ae32a1SGerd Hoffmann trb->ccs = ring->ccs; 888f1ae32a1SGerd Hoffmann le64_to_cpus(&trb->parameter); 889f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->status); 890f1ae32a1SGerd Hoffmann le32_to_cpus(&trb->control); 891f1ae32a1SGerd Hoffmann 8920703a4a7SGerd Hoffmann trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb), 8930703a4a7SGerd Hoffmann trb->parameter, trb->status, trb->control); 894f1ae32a1SGerd Hoffmann 895f1ae32a1SGerd Hoffmann if ((trb->control & TRB_C) != ring->ccs) { 896f1ae32a1SGerd Hoffmann return 0; 897f1ae32a1SGerd Hoffmann } 898f1ae32a1SGerd Hoffmann 899f1ae32a1SGerd Hoffmann type = TRB_TYPE(*trb); 900f1ae32a1SGerd Hoffmann 901f1ae32a1SGerd Hoffmann if (type != TR_LINK) { 902f1ae32a1SGerd Hoffmann if (addr) { 903f1ae32a1SGerd Hoffmann *addr = ring->dequeue; 904f1ae32a1SGerd Hoffmann } 905f1ae32a1SGerd Hoffmann ring->dequeue += TRB_SIZE; 906f1ae32a1SGerd Hoffmann return type; 907f1ae32a1SGerd Hoffmann } else { 908f1ae32a1SGerd Hoffmann ring->dequeue = xhci_mask64(trb->parameter); 909f1ae32a1SGerd Hoffmann if (trb->control & TRB_LK_TC) { 910f1ae32a1SGerd Hoffmann ring->ccs = !ring->ccs; 911f1ae32a1SGerd Hoffmann } 912f1ae32a1SGerd Hoffmann } 913f1ae32a1SGerd Hoffmann } 914f1ae32a1SGerd Hoffmann } 915f1ae32a1SGerd Hoffmann 916f1ae32a1SGerd Hoffmann static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring) 917f1ae32a1SGerd Hoffmann { 918f1ae32a1SGerd Hoffmann XHCITRB trb; 919f1ae32a1SGerd Hoffmann int length = 0; 92059a70ccdSDavid Gibson dma_addr_t dequeue = ring->dequeue; 921f1ae32a1SGerd Hoffmann bool ccs = ring->ccs; 922f1ae32a1SGerd Hoffmann /* hack to bundle together the two/three TDs that make a setup transfer */ 923f1ae32a1SGerd Hoffmann bool control_td_set = 0; 924f1ae32a1SGerd Hoffmann 925f1ae32a1SGerd Hoffmann while (1) { 926f1ae32a1SGerd Hoffmann TRBType type; 92759a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, dequeue, &trb, TRB_SIZE); 928f1ae32a1SGerd Hoffmann le64_to_cpus(&trb.parameter); 929f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.status); 930f1ae32a1SGerd Hoffmann le32_to_cpus(&trb.control); 931f1ae32a1SGerd Hoffmann 932f1ae32a1SGerd Hoffmann if ((trb.control & TRB_C) != ccs) { 933f1ae32a1SGerd Hoffmann return -length; 934f1ae32a1SGerd Hoffmann } 935f1ae32a1SGerd Hoffmann 936f1ae32a1SGerd Hoffmann type = TRB_TYPE(trb); 937f1ae32a1SGerd Hoffmann 938f1ae32a1SGerd Hoffmann if (type == TR_LINK) { 939f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(trb.parameter); 940f1ae32a1SGerd Hoffmann if (trb.control & TRB_LK_TC) { 941f1ae32a1SGerd Hoffmann ccs = !ccs; 942f1ae32a1SGerd Hoffmann } 943f1ae32a1SGerd Hoffmann continue; 944f1ae32a1SGerd Hoffmann } 945f1ae32a1SGerd Hoffmann 946f1ae32a1SGerd Hoffmann length += 1; 947f1ae32a1SGerd Hoffmann dequeue += TRB_SIZE; 948f1ae32a1SGerd Hoffmann 949f1ae32a1SGerd Hoffmann if (type == TR_SETUP) { 950f1ae32a1SGerd Hoffmann control_td_set = 1; 951f1ae32a1SGerd Hoffmann } else if (type == TR_STATUS) { 952f1ae32a1SGerd Hoffmann control_td_set = 0; 953f1ae32a1SGerd Hoffmann } 954f1ae32a1SGerd Hoffmann 955f1ae32a1SGerd Hoffmann if (!control_td_set && !(trb.control & TRB_TR_CH)) { 956f1ae32a1SGerd Hoffmann return length; 957f1ae32a1SGerd Hoffmann } 958f1ae32a1SGerd Hoffmann } 959f1ae32a1SGerd Hoffmann } 960f1ae32a1SGerd Hoffmann 961962d11e1SGerd Hoffmann static void xhci_er_reset(XHCIState *xhci, int v) 962f1ae32a1SGerd Hoffmann { 963962d11e1SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 964f1ae32a1SGerd Hoffmann XHCIEvRingSeg seg; 965f1ae32a1SGerd Hoffmann 966f1ae32a1SGerd Hoffmann /* cache the (sole) event ring segment location */ 967962d11e1SGerd Hoffmann if (intr->erstsz != 1) { 968962d11e1SGerd Hoffmann fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz); 969f1ae32a1SGerd Hoffmann xhci_die(xhci); 970f1ae32a1SGerd Hoffmann return; 971f1ae32a1SGerd Hoffmann } 972962d11e1SGerd Hoffmann dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high); 97359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg)); 974f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_low); 975f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.addr_high); 976f1ae32a1SGerd Hoffmann le32_to_cpus(&seg.size); 977f1ae32a1SGerd Hoffmann if (seg.size < 16 || seg.size > 4096) { 978f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid value for segment size: %d\n", seg.size); 979f1ae32a1SGerd Hoffmann xhci_die(xhci); 980f1ae32a1SGerd Hoffmann return; 981f1ae32a1SGerd Hoffmann } 982962d11e1SGerd Hoffmann intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high); 983962d11e1SGerd Hoffmann intr->er_size = seg.size; 984f1ae32a1SGerd Hoffmann 985962d11e1SGerd Hoffmann intr->er_ep_idx = 0; 986962d11e1SGerd Hoffmann intr->er_pcs = 1; 987962d11e1SGerd Hoffmann intr->er_full = 0; 988f1ae32a1SGerd Hoffmann 989962d11e1SGerd Hoffmann DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n", 990962d11e1SGerd Hoffmann v, intr->er_start, intr->er_size); 991f1ae32a1SGerd Hoffmann } 992f1ae32a1SGerd Hoffmann 993f1ae32a1SGerd Hoffmann static void xhci_run(XHCIState *xhci) 994f1ae32a1SGerd Hoffmann { 995fc0ddacaSGerd Hoffmann trace_usb_xhci_run(); 996f1ae32a1SGerd Hoffmann xhci->usbsts &= ~USBSTS_HCH; 99701546fa6SGerd Hoffmann xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 998f1ae32a1SGerd Hoffmann } 999f1ae32a1SGerd Hoffmann 1000f1ae32a1SGerd Hoffmann static void xhci_stop(XHCIState *xhci) 1001f1ae32a1SGerd Hoffmann { 1002fc0ddacaSGerd Hoffmann trace_usb_xhci_stop(); 1003f1ae32a1SGerd Hoffmann xhci->usbsts |= USBSTS_HCH; 1004f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 1005f1ae32a1SGerd Hoffmann } 1006f1ae32a1SGerd Hoffmann 1007f1ae32a1SGerd Hoffmann static void xhci_set_ep_state(XHCIState *xhci, XHCIEPContext *epctx, 1008f1ae32a1SGerd Hoffmann uint32_t state) 1009f1ae32a1SGerd Hoffmann { 1010f1ae32a1SGerd Hoffmann uint32_t ctx[5]; 1011f1ae32a1SGerd Hoffmann if (epctx->state == state) { 1012f1ae32a1SGerd Hoffmann return; 1013f1ae32a1SGerd Hoffmann } 1014f1ae32a1SGerd Hoffmann 101559a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); 1016f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1017f1ae32a1SGerd Hoffmann ctx[0] |= state; 1018f1ae32a1SGerd Hoffmann ctx[2] = epctx->ring.dequeue | epctx->ring.ccs; 1019f1ae32a1SGerd Hoffmann ctx[3] = (epctx->ring.dequeue >> 16) >> 16; 102059a70ccdSDavid Gibson DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n", 1021f1ae32a1SGerd Hoffmann epctx->pctx, state, ctx[3], ctx[2]); 102259a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx)); 1023f1ae32a1SGerd Hoffmann epctx->state = state; 1024f1ae32a1SGerd Hoffmann } 1025f1ae32a1SGerd Hoffmann 10263d139684SGerd Hoffmann static void xhci_ep_kick_timer(void *opaque) 10273d139684SGerd Hoffmann { 10283d139684SGerd Hoffmann XHCIEPContext *epctx = opaque; 10293d139684SGerd Hoffmann xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid); 10303d139684SGerd Hoffmann } 10313d139684SGerd Hoffmann 1032f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 103359a70ccdSDavid Gibson unsigned int epid, dma_addr_t pctx, 1034f1ae32a1SGerd Hoffmann uint32_t *ctx) 1035f1ae32a1SGerd Hoffmann { 1036f1ae32a1SGerd Hoffmann XHCISlot *slot; 1037f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 103859a70ccdSDavid Gibson dma_addr_t dequeue; 1039f1ae32a1SGerd Hoffmann int i; 1040f1ae32a1SGerd Hoffmann 1041c1f6b493SGerd Hoffmann trace_usb_xhci_ep_enable(slotid, epid); 1042f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1043f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1044f1ae32a1SGerd Hoffmann 1045f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1046f1ae32a1SGerd Hoffmann if (slot->eps[epid-1]) { 1047f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid); 1048f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1049f1ae32a1SGerd Hoffmann } 1050f1ae32a1SGerd Hoffmann 1051f1ae32a1SGerd Hoffmann epctx = g_malloc(sizeof(XHCIEPContext)); 1052f1ae32a1SGerd Hoffmann memset(epctx, 0, sizeof(XHCIEPContext)); 10533d139684SGerd Hoffmann epctx->xhci = xhci; 10543d139684SGerd Hoffmann epctx->slotid = slotid; 10553d139684SGerd Hoffmann epctx->epid = epid; 1056f1ae32a1SGerd Hoffmann 1057f1ae32a1SGerd Hoffmann slot->eps[epid-1] = epctx; 1058f1ae32a1SGerd Hoffmann 1059f1ae32a1SGerd Hoffmann dequeue = xhci_addr64(ctx[2] & ~0xf, ctx[3]); 1060f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue); 1061f1ae32a1SGerd Hoffmann epctx->ring.ccs = ctx[2] & 1; 1062f1ae32a1SGerd Hoffmann 1063f1ae32a1SGerd Hoffmann epctx->type = (ctx[1] >> EP_TYPE_SHIFT) & EP_TYPE_MASK; 1064f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d type is %d\n", epid/2, epid%2, epctx->type); 1065f1ae32a1SGerd Hoffmann epctx->pctx = pctx; 1066f1ae32a1SGerd Hoffmann epctx->max_psize = ctx[1]>>16; 1067f1ae32a1SGerd Hoffmann epctx->max_psize *= 1+((ctx[1]>>8)&0xff); 1068f1ae32a1SGerd Hoffmann DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n", 1069f1ae32a1SGerd Hoffmann epid/2, epid%2, epctx->max_psize); 1070f1ae32a1SGerd Hoffmann for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) { 1071f1ae32a1SGerd Hoffmann usb_packet_init(&epctx->transfers[i].packet); 1072f1ae32a1SGerd Hoffmann } 1073f1ae32a1SGerd Hoffmann 10743d139684SGerd Hoffmann epctx->interval = 1 << (ctx[0] >> 16) & 0xff; 10753d139684SGerd Hoffmann epctx->mfindex_last = 0; 10763d139684SGerd Hoffmann epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx); 10773d139684SGerd Hoffmann 1078f1ae32a1SGerd Hoffmann epctx->state = EP_RUNNING; 1079f1ae32a1SGerd Hoffmann ctx[0] &= ~EP_STATE_MASK; 1080f1ae32a1SGerd Hoffmann ctx[0] |= EP_RUNNING; 1081f1ae32a1SGerd Hoffmann 1082f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1083f1ae32a1SGerd Hoffmann } 1084f1ae32a1SGerd Hoffmann 1085*3151f209SHans de Goede static int xhci_ep_nuke_one_xfer(XHCITransfer *t) 1086*3151f209SHans de Goede { 1087*3151f209SHans de Goede int killed = 0; 1088*3151f209SHans de Goede 1089*3151f209SHans de Goede if (t->running_async) { 1090*3151f209SHans de Goede usb_cancel_packet(&t->packet); 1091*3151f209SHans de Goede t->running_async = 0; 1092*3151f209SHans de Goede t->cancelled = 1; 1093*3151f209SHans de Goede DPRINTF("xhci: cancelling transfer, waiting for it to complete\n"); 1094*3151f209SHans de Goede killed = 1; 1095*3151f209SHans de Goede } 1096*3151f209SHans de Goede if (t->running_retry) { 1097*3151f209SHans de Goede XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1]; 1098*3151f209SHans de Goede if (epctx) { 1099*3151f209SHans de Goede epctx->retry = NULL; 1100*3151f209SHans de Goede qemu_del_timer(epctx->kick_timer); 1101*3151f209SHans de Goede } 1102*3151f209SHans de Goede t->running_retry = 0; 1103*3151f209SHans de Goede } 1104*3151f209SHans de Goede if (t->trbs) { 1105*3151f209SHans de Goede g_free(t->trbs); 1106*3151f209SHans de Goede } 1107*3151f209SHans de Goede 1108*3151f209SHans de Goede t->trbs = NULL; 1109*3151f209SHans de Goede t->trb_count = t->trb_alloced = 0; 1110*3151f209SHans de Goede 1111*3151f209SHans de Goede return killed; 1112*3151f209SHans de Goede } 1113*3151f209SHans de Goede 1114f1ae32a1SGerd Hoffmann static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 1115f1ae32a1SGerd Hoffmann unsigned int epid) 1116f1ae32a1SGerd Hoffmann { 1117f1ae32a1SGerd Hoffmann XHCISlot *slot; 1118f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1119f1ae32a1SGerd Hoffmann int i, xferi, killed = 0; 1120f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1121f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1122f1ae32a1SGerd Hoffmann 1123f1ae32a1SGerd Hoffmann DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid); 1124f1ae32a1SGerd Hoffmann 1125f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1126f1ae32a1SGerd Hoffmann 1127f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1128f1ae32a1SGerd Hoffmann return 0; 1129f1ae32a1SGerd Hoffmann } 1130f1ae32a1SGerd Hoffmann 1131f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1132f1ae32a1SGerd Hoffmann 1133f1ae32a1SGerd Hoffmann xferi = epctx->next_xfer; 1134f1ae32a1SGerd Hoffmann for (i = 0; i < TD_QUEUE; i++) { 1135*3151f209SHans de Goede killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]); 1136f1ae32a1SGerd Hoffmann xferi = (xferi + 1) % TD_QUEUE; 1137f1ae32a1SGerd Hoffmann } 1138f1ae32a1SGerd Hoffmann return killed; 1139f1ae32a1SGerd Hoffmann } 1140f1ae32a1SGerd Hoffmann 1141f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 1142f1ae32a1SGerd Hoffmann unsigned int epid) 1143f1ae32a1SGerd Hoffmann { 1144f1ae32a1SGerd Hoffmann XHCISlot *slot; 1145f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1146f1ae32a1SGerd Hoffmann 1147c1f6b493SGerd Hoffmann trace_usb_xhci_ep_disable(slotid, epid); 1148f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1149f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1150f1ae32a1SGerd Hoffmann 1151f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1152f1ae32a1SGerd Hoffmann 1153f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1154f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); 1155f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1156f1ae32a1SGerd Hoffmann } 1157f1ae32a1SGerd Hoffmann 1158f1ae32a1SGerd Hoffmann xhci_ep_nuke_xfers(xhci, slotid, epid); 1159f1ae32a1SGerd Hoffmann 1160f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1161f1ae32a1SGerd Hoffmann 1162f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_DISABLED); 1163f1ae32a1SGerd Hoffmann 11643d139684SGerd Hoffmann qemu_free_timer(epctx->kick_timer); 1165f1ae32a1SGerd Hoffmann g_free(epctx); 1166f1ae32a1SGerd Hoffmann slot->eps[epid-1] = NULL; 1167f1ae32a1SGerd Hoffmann 1168f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1169f1ae32a1SGerd Hoffmann } 1170f1ae32a1SGerd Hoffmann 1171f1ae32a1SGerd Hoffmann static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 1172f1ae32a1SGerd Hoffmann unsigned int epid) 1173f1ae32a1SGerd Hoffmann { 1174f1ae32a1SGerd Hoffmann XHCISlot *slot; 1175f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1176f1ae32a1SGerd Hoffmann 1177c1f6b493SGerd Hoffmann trace_usb_xhci_ep_stop(slotid, epid); 1178f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1179f1ae32a1SGerd Hoffmann 1180f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1181f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1182f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1183f1ae32a1SGerd Hoffmann } 1184f1ae32a1SGerd Hoffmann 1185f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1186f1ae32a1SGerd Hoffmann 1187f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1188f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1189f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1190f1ae32a1SGerd Hoffmann } 1191f1ae32a1SGerd Hoffmann 1192f1ae32a1SGerd Hoffmann if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1193f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: FIXME: endpoint stopped w/ xfers running, " 1194f1ae32a1SGerd Hoffmann "data might be lost\n"); 1195f1ae32a1SGerd Hoffmann } 1196f1ae32a1SGerd Hoffmann 1197f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1198f1ae32a1SGerd Hoffmann 1199f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1200f1ae32a1SGerd Hoffmann 1201f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1202f1ae32a1SGerd Hoffmann } 1203f1ae32a1SGerd Hoffmann 1204f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 1205f1ae32a1SGerd Hoffmann unsigned int epid) 1206f1ae32a1SGerd Hoffmann { 1207f1ae32a1SGerd Hoffmann XHCISlot *slot; 1208f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 1209f1ae32a1SGerd Hoffmann USBDevice *dev; 1210f1ae32a1SGerd Hoffmann 1211c1f6b493SGerd Hoffmann trace_usb_xhci_ep_reset(slotid, epid); 1212f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1213f1ae32a1SGerd Hoffmann 1214f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1215f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1216f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1217f1ae32a1SGerd Hoffmann } 1218f1ae32a1SGerd Hoffmann 1219f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1220f1ae32a1SGerd Hoffmann 1221f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1222f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1223f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1224f1ae32a1SGerd Hoffmann } 1225f1ae32a1SGerd Hoffmann 1226f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1227f1ae32a1SGerd Hoffmann 1228f1ae32a1SGerd Hoffmann if (epctx->state != EP_HALTED) { 1229f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: reset EP while EP %d not halted (%d)\n", 1230f1ae32a1SGerd Hoffmann epid, epctx->state); 1231f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1232f1ae32a1SGerd Hoffmann } 1233f1ae32a1SGerd Hoffmann 1234f1ae32a1SGerd Hoffmann if (xhci_ep_nuke_xfers(xhci, slotid, epid) > 0) { 1235f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: FIXME: endpoint reset w/ xfers running, " 1236f1ae32a1SGerd Hoffmann "data might be lost\n"); 1237f1ae32a1SGerd Hoffmann } 1238f1ae32a1SGerd Hoffmann 1239f1ae32a1SGerd Hoffmann uint8_t ep = epid>>1; 1240f1ae32a1SGerd Hoffmann 1241f1ae32a1SGerd Hoffmann if (epid & 1) { 1242f1ae32a1SGerd Hoffmann ep |= 0x80; 1243f1ae32a1SGerd Hoffmann } 1244f1ae32a1SGerd Hoffmann 1245ccaf87a0SGerd Hoffmann dev = xhci->slots[slotid-1].uport->dev; 1246f1ae32a1SGerd Hoffmann if (!dev) { 1247f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1248f1ae32a1SGerd Hoffmann } 1249f1ae32a1SGerd Hoffmann 1250f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1251f1ae32a1SGerd Hoffmann 1252f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1253f1ae32a1SGerd Hoffmann } 1254f1ae32a1SGerd Hoffmann 1255f1ae32a1SGerd Hoffmann static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 1256f1ae32a1SGerd Hoffmann unsigned int epid, uint64_t pdequeue) 1257f1ae32a1SGerd Hoffmann { 1258f1ae32a1SGerd Hoffmann XHCISlot *slot; 1259f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 126059a70ccdSDavid Gibson dma_addr_t dequeue; 1261f1ae32a1SGerd Hoffmann 1262f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1263f1ae32a1SGerd Hoffmann 1264f1ae32a1SGerd Hoffmann if (epid < 1 || epid > 31) { 1265f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad ep %d\n", epid); 1266f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1267f1ae32a1SGerd Hoffmann } 1268f1ae32a1SGerd Hoffmann 1269d829fde9SGerd Hoffmann trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue); 1270f1ae32a1SGerd Hoffmann dequeue = xhci_mask64(pdequeue); 1271f1ae32a1SGerd Hoffmann 1272f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1273f1ae32a1SGerd Hoffmann 1274f1ae32a1SGerd Hoffmann if (!slot->eps[epid-1]) { 1275f1ae32a1SGerd Hoffmann DPRINTF("xhci: slot %d ep %d not enabled\n", slotid, epid); 1276f1ae32a1SGerd Hoffmann return CC_EP_NOT_ENABLED_ERROR; 1277f1ae32a1SGerd Hoffmann } 1278f1ae32a1SGerd Hoffmann 1279f1ae32a1SGerd Hoffmann epctx = slot->eps[epid-1]; 1280f1ae32a1SGerd Hoffmann 1281f1ae32a1SGerd Hoffmann 1282f1ae32a1SGerd Hoffmann if (epctx->state != EP_STOPPED) { 1283f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: set EP dequeue pointer while EP %d not stopped\n", epid); 1284f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1285f1ae32a1SGerd Hoffmann } 1286f1ae32a1SGerd Hoffmann 1287f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &epctx->ring, dequeue & ~0xF); 1288f1ae32a1SGerd Hoffmann epctx->ring.ccs = dequeue & 1; 1289f1ae32a1SGerd Hoffmann 1290f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_STOPPED); 1291f1ae32a1SGerd Hoffmann 1292f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1293f1ae32a1SGerd Hoffmann } 1294f1ae32a1SGerd Hoffmann 1295d5a15814SGerd Hoffmann static int xhci_xfer_map(XHCITransfer *xfer) 1296f1ae32a1SGerd Hoffmann { 1297d5a15814SGerd Hoffmann int in_xfer = (xfer->packet.pid == USB_TOKEN_IN); 1298f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1299d5a15814SGerd Hoffmann int i; 1300f1ae32a1SGerd Hoffmann 1301d5a15814SGerd Hoffmann pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count); 1302f1ae32a1SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1303f1ae32a1SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 130459a70ccdSDavid Gibson dma_addr_t addr; 1305f1ae32a1SGerd Hoffmann unsigned int chunk = 0; 1306f1ae32a1SGerd Hoffmann 1307f1ae32a1SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1308f1ae32a1SGerd Hoffmann case TR_DATA: 1309f1ae32a1SGerd Hoffmann if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) { 1310f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n"); 1311d5a15814SGerd Hoffmann goto err; 1312f1ae32a1SGerd Hoffmann } 1313f1ae32a1SGerd Hoffmann /* fallthrough */ 1314f1ae32a1SGerd Hoffmann case TR_NORMAL: 1315f1ae32a1SGerd Hoffmann case TR_ISOCH: 1316f1ae32a1SGerd Hoffmann addr = xhci_mask64(trb->parameter); 1317f1ae32a1SGerd Hoffmann chunk = trb->status & 0x1ffff; 1318f1ae32a1SGerd Hoffmann if (trb->control & TRB_TR_IDT) { 1319f1ae32a1SGerd Hoffmann if (chunk > 8 || in_xfer) { 1320f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid immediate data TRB\n"); 1321d5a15814SGerd Hoffmann goto err; 1322d5a15814SGerd Hoffmann } 1323d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, trb->addr, chunk); 1324d5a15814SGerd Hoffmann } else { 1325d5a15814SGerd Hoffmann qemu_sglist_add(&xfer->sgl, addr, chunk); 1326d5a15814SGerd Hoffmann } 1327d5a15814SGerd Hoffmann break; 1328d5a15814SGerd Hoffmann } 1329d5a15814SGerd Hoffmann } 1330d5a15814SGerd Hoffmann 1331d5a15814SGerd Hoffmann usb_packet_map(&xfer->packet, &xfer->sgl); 1332d5a15814SGerd Hoffmann return 0; 1333d5a15814SGerd Hoffmann 1334d5a15814SGerd Hoffmann err: 1335d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1336f1ae32a1SGerd Hoffmann xhci_die(xhci); 1337d5a15814SGerd Hoffmann return -1; 1338f1ae32a1SGerd Hoffmann } 1339d5a15814SGerd Hoffmann 1340d5a15814SGerd Hoffmann static void xhci_xfer_unmap(XHCITransfer *xfer) 1341d5a15814SGerd Hoffmann { 1342d5a15814SGerd Hoffmann usb_packet_unmap(&xfer->packet, &xfer->sgl); 1343d5a15814SGerd Hoffmann qemu_sglist_destroy(&xfer->sgl); 1344f1ae32a1SGerd Hoffmann } 1345d5a15814SGerd Hoffmann 1346d5a15814SGerd Hoffmann static void xhci_xfer_report(XHCITransfer *xfer) 1347d5a15814SGerd Hoffmann { 1348d5a15814SGerd Hoffmann uint32_t edtla = 0; 1349d5a15814SGerd Hoffmann unsigned int left; 1350d5a15814SGerd Hoffmann bool reported = 0; 1351d5a15814SGerd Hoffmann bool shortpkt = 0; 1352d5a15814SGerd Hoffmann XHCIEvent event = {ER_TRANSFER, CC_SUCCESS}; 1353d5a15814SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1354f1ae32a1SGerd Hoffmann int i; 1355d5a15814SGerd Hoffmann 1356d5a15814SGerd Hoffmann left = xfer->packet.result < 0 ? 0 : xfer->packet.result; 1357d5a15814SGerd Hoffmann 1358d5a15814SGerd Hoffmann for (i = 0; i < xfer->trb_count; i++) { 1359d5a15814SGerd Hoffmann XHCITRB *trb = &xfer->trbs[i]; 1360d5a15814SGerd Hoffmann unsigned int chunk = 0; 1361d5a15814SGerd Hoffmann 1362d5a15814SGerd Hoffmann switch (TRB_TYPE(*trb)) { 1363d5a15814SGerd Hoffmann case TR_DATA: 1364d5a15814SGerd Hoffmann case TR_NORMAL: 1365d5a15814SGerd Hoffmann case TR_ISOCH: 1366d5a15814SGerd Hoffmann chunk = trb->status & 0x1ffff; 1367d5a15814SGerd Hoffmann if (chunk > left) { 1368d5a15814SGerd Hoffmann chunk = left; 1369d5a15814SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1370d5a15814SGerd Hoffmann shortpkt = 1; 1371f1ae32a1SGerd Hoffmann } 1372f1ae32a1SGerd Hoffmann } 1373f1ae32a1SGerd Hoffmann left -= chunk; 1374f1ae32a1SGerd Hoffmann edtla += chunk; 1375f1ae32a1SGerd Hoffmann break; 1376f1ae32a1SGerd Hoffmann case TR_STATUS: 1377f1ae32a1SGerd Hoffmann reported = 0; 1378f1ae32a1SGerd Hoffmann shortpkt = 0; 1379f1ae32a1SGerd Hoffmann break; 1380f1ae32a1SGerd Hoffmann } 1381f1ae32a1SGerd Hoffmann 1382d5a15814SGerd Hoffmann if (!reported && ((trb->control & TRB_TR_IOC) || 1383d5a15814SGerd Hoffmann (shortpkt && (trb->control & TRB_TR_ISP)) || 1384d5a15814SGerd Hoffmann (xfer->status != CC_SUCCESS))) { 1385f1ae32a1SGerd Hoffmann event.slotid = xfer->slotid; 1386f1ae32a1SGerd Hoffmann event.epid = xfer->epid; 1387f1ae32a1SGerd Hoffmann event.length = (trb->status & 0x1ffff) - chunk; 1388f1ae32a1SGerd Hoffmann event.flags = 0; 1389f1ae32a1SGerd Hoffmann event.ptr = trb->addr; 1390f1ae32a1SGerd Hoffmann if (xfer->status == CC_SUCCESS) { 1391f1ae32a1SGerd Hoffmann event.ccode = shortpkt ? CC_SHORT_PACKET : CC_SUCCESS; 1392f1ae32a1SGerd Hoffmann } else { 1393f1ae32a1SGerd Hoffmann event.ccode = xfer->status; 1394f1ae32a1SGerd Hoffmann } 1395f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb) == TR_EVDATA) { 1396f1ae32a1SGerd Hoffmann event.ptr = trb->parameter; 1397f1ae32a1SGerd Hoffmann event.flags |= TRB_EV_ED; 1398f1ae32a1SGerd Hoffmann event.length = edtla & 0xffffff; 1399f1ae32a1SGerd Hoffmann DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length); 1400f1ae32a1SGerd Hoffmann edtla = 0; 1401f1ae32a1SGerd Hoffmann } 14022d1de850SGerd Hoffmann xhci_event(xhci, &event, TRB_INTR(*trb)); 1403f1ae32a1SGerd Hoffmann reported = 1; 1404d5a15814SGerd Hoffmann if (xfer->status != CC_SUCCESS) { 1405d5a15814SGerd Hoffmann return; 1406f1ae32a1SGerd Hoffmann } 1407f1ae32a1SGerd Hoffmann } 1408d5a15814SGerd Hoffmann } 1409f1ae32a1SGerd Hoffmann } 1410f1ae32a1SGerd Hoffmann 1411f1ae32a1SGerd Hoffmann static void xhci_stall_ep(XHCITransfer *xfer) 1412f1ae32a1SGerd Hoffmann { 1413f1ae32a1SGerd Hoffmann XHCIState *xhci = xfer->xhci; 1414f1ae32a1SGerd Hoffmann XHCISlot *slot = &xhci->slots[xfer->slotid-1]; 1415f1ae32a1SGerd Hoffmann XHCIEPContext *epctx = slot->eps[xfer->epid-1]; 1416f1ae32a1SGerd Hoffmann 1417f1ae32a1SGerd Hoffmann epctx->ring.dequeue = xfer->trbs[0].addr; 1418f1ae32a1SGerd Hoffmann epctx->ring.ccs = xfer->trbs[0].ccs; 1419f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_HALTED); 1420f1ae32a1SGerd Hoffmann DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid); 142159a70ccdSDavid Gibson DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue); 1422f1ae32a1SGerd Hoffmann } 1423f1ae32a1SGerd Hoffmann 1424f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, 1425f1ae32a1SGerd Hoffmann XHCIEPContext *epctx); 1426f1ae32a1SGerd Hoffmann 14275c08106fSGerd Hoffmann static int xhci_setup_packet(XHCITransfer *xfer) 14285c08106fSGerd Hoffmann { 14295c08106fSGerd Hoffmann XHCIState *xhci = xfer->xhci; 14305c08106fSGerd Hoffmann USBDevice *dev; 1431f1ae32a1SGerd Hoffmann USBEndpoint *ep; 1432f1ae32a1SGerd Hoffmann int dir; 1433f1ae32a1SGerd Hoffmann 1434f1ae32a1SGerd Hoffmann dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT; 14355c08106fSGerd Hoffmann 14365c08106fSGerd Hoffmann if (xfer->packet.ep) { 14375c08106fSGerd Hoffmann ep = xfer->packet.ep; 14385c08106fSGerd Hoffmann dev = ep->dev; 14395c08106fSGerd Hoffmann } else { 1440ccaf87a0SGerd Hoffmann if (!xhci->slots[xfer->slotid-1].uport) { 1441ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: slot %d has no device\n", 1442ccaf87a0SGerd Hoffmann xfer->slotid); 14435c08106fSGerd Hoffmann return -1; 14445c08106fSGerd Hoffmann } 1445ccaf87a0SGerd Hoffmann dev = xhci->slots[xfer->slotid-1].uport->dev; 1446f1ae32a1SGerd Hoffmann ep = usb_ep_get(dev, dir, xfer->epid >> 1); 14475c08106fSGerd Hoffmann } 14485c08106fSGerd Hoffmann 1449e983395dSGerd Hoffmann usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr); 1450d5a15814SGerd Hoffmann xhci_xfer_map(xfer); 1451f1ae32a1SGerd Hoffmann DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n", 1452f1ae32a1SGerd Hoffmann xfer->packet.pid, dev->addr, ep->nr); 1453f1ae32a1SGerd Hoffmann return 0; 1454f1ae32a1SGerd Hoffmann } 1455f1ae32a1SGerd Hoffmann 1456f1ae32a1SGerd Hoffmann static int xhci_complete_packet(XHCITransfer *xfer, int ret) 1457f1ae32a1SGerd Hoffmann { 1458f1ae32a1SGerd Hoffmann if (ret == USB_RET_ASYNC) { 145997df650bSGerd Hoffmann trace_usb_xhci_xfer_async(xfer); 1460f1ae32a1SGerd Hoffmann xfer->running_async = 1; 1461f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1462f1ae32a1SGerd Hoffmann xfer->complete = 0; 1463f1ae32a1SGerd Hoffmann xfer->cancelled = 0; 1464f1ae32a1SGerd Hoffmann return 0; 1465f1ae32a1SGerd Hoffmann } else if (ret == USB_RET_NAK) { 146697df650bSGerd Hoffmann trace_usb_xhci_xfer_nak(xfer); 1467f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1468f1ae32a1SGerd Hoffmann xfer->running_retry = 1; 1469f1ae32a1SGerd Hoffmann xfer->complete = 0; 1470f1ae32a1SGerd Hoffmann xfer->cancelled = 0; 1471f1ae32a1SGerd Hoffmann return 0; 1472f1ae32a1SGerd Hoffmann } else { 1473f1ae32a1SGerd Hoffmann xfer->running_async = 0; 1474f1ae32a1SGerd Hoffmann xfer->running_retry = 0; 1475f1ae32a1SGerd Hoffmann xfer->complete = 1; 1476d5a15814SGerd Hoffmann xhci_xfer_unmap(xfer); 1477f1ae32a1SGerd Hoffmann } 1478f1ae32a1SGerd Hoffmann 1479f1ae32a1SGerd Hoffmann if (ret >= 0) { 148097df650bSGerd Hoffmann trace_usb_xhci_xfer_success(xfer, ret); 1481d5a15814SGerd Hoffmann xfer->status = CC_SUCCESS; 1482d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1483f1ae32a1SGerd Hoffmann return 0; 1484f1ae32a1SGerd Hoffmann } 1485f1ae32a1SGerd Hoffmann 1486f1ae32a1SGerd Hoffmann /* error */ 148797df650bSGerd Hoffmann trace_usb_xhci_xfer_error(xfer, ret); 1488f1ae32a1SGerd Hoffmann switch (ret) { 1489f1ae32a1SGerd Hoffmann case USB_RET_NODEV: 1490f1ae32a1SGerd Hoffmann xfer->status = CC_USB_TRANSACTION_ERROR; 1491d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1492f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1493f1ae32a1SGerd Hoffmann break; 1494f1ae32a1SGerd Hoffmann case USB_RET_STALL: 1495f1ae32a1SGerd Hoffmann xfer->status = CC_STALL_ERROR; 1496d5a15814SGerd Hoffmann xhci_xfer_report(xfer); 1497f1ae32a1SGerd Hoffmann xhci_stall_ep(xfer); 1498f1ae32a1SGerd Hoffmann break; 1499f1ae32a1SGerd Hoffmann default: 1500f1ae32a1SGerd Hoffmann fprintf(stderr, "%s: FIXME: ret = %d\n", __FUNCTION__, ret); 1501f1ae32a1SGerd Hoffmann FIXME(); 1502f1ae32a1SGerd Hoffmann } 1503f1ae32a1SGerd Hoffmann return 0; 1504f1ae32a1SGerd Hoffmann } 1505f1ae32a1SGerd Hoffmann 1506f1ae32a1SGerd Hoffmann static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) 1507f1ae32a1SGerd Hoffmann { 1508f1ae32a1SGerd Hoffmann XHCITRB *trb_setup, *trb_status; 1509f1ae32a1SGerd Hoffmann uint8_t bmRequestType; 1510f1ae32a1SGerd Hoffmann int ret; 1511f1ae32a1SGerd Hoffmann 1512f1ae32a1SGerd Hoffmann trb_setup = &xfer->trbs[0]; 1513f1ae32a1SGerd Hoffmann trb_status = &xfer->trbs[xfer->trb_count-1]; 1514f1ae32a1SGerd Hoffmann 1515d5a15814SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); 151697df650bSGerd Hoffmann 1517f1ae32a1SGerd Hoffmann /* at most one Event Data TRB allowed after STATUS */ 1518f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) { 1519f1ae32a1SGerd Hoffmann trb_status--; 1520f1ae32a1SGerd Hoffmann } 1521f1ae32a1SGerd Hoffmann 1522f1ae32a1SGerd Hoffmann /* do some sanity checks */ 1523f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_setup) != TR_SETUP) { 1524f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: ep0 first TD not SETUP: %d\n", 1525f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_setup)); 1526f1ae32a1SGerd Hoffmann return -1; 1527f1ae32a1SGerd Hoffmann } 1528f1ae32a1SGerd Hoffmann if (TRB_TYPE(*trb_status) != TR_STATUS) { 1529f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: ep0 last TD not STATUS: %d\n", 1530f1ae32a1SGerd Hoffmann TRB_TYPE(*trb_status)); 1531f1ae32a1SGerd Hoffmann return -1; 1532f1ae32a1SGerd Hoffmann } 1533f1ae32a1SGerd Hoffmann if (!(trb_setup->control & TRB_TR_IDT)) { 1534f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: Setup TRB doesn't have IDT set\n"); 1535f1ae32a1SGerd Hoffmann return -1; 1536f1ae32a1SGerd Hoffmann } 1537f1ae32a1SGerd Hoffmann if ((trb_setup->status & 0x1ffff) != 8) { 1538f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: Setup TRB has bad length (%d)\n", 1539f1ae32a1SGerd Hoffmann (trb_setup->status & 0x1ffff)); 1540f1ae32a1SGerd Hoffmann return -1; 1541f1ae32a1SGerd Hoffmann } 1542f1ae32a1SGerd Hoffmann 1543f1ae32a1SGerd Hoffmann bmRequestType = trb_setup->parameter; 1544f1ae32a1SGerd Hoffmann 1545f1ae32a1SGerd Hoffmann xfer->in_xfer = bmRequestType & USB_DIR_IN; 1546f1ae32a1SGerd Hoffmann xfer->iso_xfer = false; 1547f1ae32a1SGerd Hoffmann 15485c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 15495c08106fSGerd Hoffmann return -1; 15505c08106fSGerd Hoffmann } 1551f1ae32a1SGerd Hoffmann xfer->packet.parameter = trb_setup->parameter; 1552f1ae32a1SGerd Hoffmann 15535c08106fSGerd Hoffmann ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1554f1ae32a1SGerd Hoffmann 1555f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, ret); 1556f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1557f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid); 1558f1ae32a1SGerd Hoffmann } 1559f1ae32a1SGerd Hoffmann return 0; 1560f1ae32a1SGerd Hoffmann } 1561f1ae32a1SGerd Hoffmann 15623d139684SGerd Hoffmann static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 15633d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 15643d139684SGerd Hoffmann { 15653d139684SGerd Hoffmann if (xfer->trbs[0].control & TRB_TR_SIA) { 15663d139684SGerd Hoffmann uint64_t asap = ((mfindex + epctx->interval - 1) & 15673d139684SGerd Hoffmann ~(epctx->interval-1)); 15683d139684SGerd Hoffmann if (asap >= epctx->mfindex_last && 15693d139684SGerd Hoffmann asap <= epctx->mfindex_last + epctx->interval * 4) { 15703d139684SGerd Hoffmann xfer->mfindex_kick = epctx->mfindex_last + epctx->interval; 15713d139684SGerd Hoffmann } else { 15723d139684SGerd Hoffmann xfer->mfindex_kick = asap; 15733d139684SGerd Hoffmann } 15743d139684SGerd Hoffmann } else { 15753d139684SGerd Hoffmann xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT) 15763d139684SGerd Hoffmann & TRB_TR_FRAMEID_MASK; 15773d139684SGerd Hoffmann xfer->mfindex_kick |= mfindex & ~0x3fff; 15783d139684SGerd Hoffmann if (xfer->mfindex_kick < mfindex) { 15793d139684SGerd Hoffmann xfer->mfindex_kick += 0x4000; 15803d139684SGerd Hoffmann } 15813d139684SGerd Hoffmann } 15823d139684SGerd Hoffmann } 15833d139684SGerd Hoffmann 15843d139684SGerd Hoffmann static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer, 15853d139684SGerd Hoffmann XHCIEPContext *epctx, uint64_t mfindex) 15863d139684SGerd Hoffmann { 15873d139684SGerd Hoffmann if (xfer->mfindex_kick > mfindex) { 15883d139684SGerd Hoffmann qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) + 15893d139684SGerd Hoffmann (xfer->mfindex_kick - mfindex) * 125000); 15903d139684SGerd Hoffmann xfer->running_retry = 1; 15913d139684SGerd Hoffmann } else { 15923d139684SGerd Hoffmann epctx->mfindex_last = xfer->mfindex_kick; 15933d139684SGerd Hoffmann qemu_del_timer(epctx->kick_timer); 15943d139684SGerd Hoffmann xfer->running_retry = 0; 15953d139684SGerd Hoffmann } 15963d139684SGerd Hoffmann } 15973d139684SGerd Hoffmann 15983d139684SGerd Hoffmann 1599f1ae32a1SGerd Hoffmann static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1600f1ae32a1SGerd Hoffmann { 16013d139684SGerd Hoffmann uint64_t mfindex; 1602f1ae32a1SGerd Hoffmann int ret; 1603f1ae32a1SGerd Hoffmann 1604f1ae32a1SGerd Hoffmann DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid); 1605f1ae32a1SGerd Hoffmann 1606f1ae32a1SGerd Hoffmann xfer->in_xfer = epctx->type>>2; 1607f1ae32a1SGerd Hoffmann 1608f1ae32a1SGerd Hoffmann switch(epctx->type) { 1609f1ae32a1SGerd Hoffmann case ET_INTR_OUT: 1610f1ae32a1SGerd Hoffmann case ET_INTR_IN: 1611f1ae32a1SGerd Hoffmann case ET_BULK_OUT: 1612f1ae32a1SGerd Hoffmann case ET_BULK_IN: 16133d139684SGerd Hoffmann xfer->pkts = 0; 16143d139684SGerd Hoffmann xfer->iso_xfer = false; 1615f1ae32a1SGerd Hoffmann break; 1616f1ae32a1SGerd Hoffmann case ET_ISO_OUT: 1617f1ae32a1SGerd Hoffmann case ET_ISO_IN: 16183d139684SGerd Hoffmann xfer->pkts = 1; 16193d139684SGerd Hoffmann xfer->iso_xfer = true; 16203d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 16213d139684SGerd Hoffmann xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); 16223d139684SGerd Hoffmann xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 16233d139684SGerd Hoffmann if (xfer->running_retry) { 16243d139684SGerd Hoffmann return -1; 16253d139684SGerd Hoffmann } 1626f1ae32a1SGerd Hoffmann break; 1627f1ae32a1SGerd Hoffmann default: 1628f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: unknown or unhandled EP " 1629f1ae32a1SGerd Hoffmann "(type %d, in %d, ep %02x)\n", 1630f1ae32a1SGerd Hoffmann epctx->type, xfer->in_xfer, xfer->epid); 1631f1ae32a1SGerd Hoffmann return -1; 1632f1ae32a1SGerd Hoffmann } 1633f1ae32a1SGerd Hoffmann 16345c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 16355c08106fSGerd Hoffmann return -1; 16365c08106fSGerd Hoffmann } 16375c08106fSGerd Hoffmann ret = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1638f1ae32a1SGerd Hoffmann 1639f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, ret); 1640f1ae32a1SGerd Hoffmann if (!xfer->running_async && !xfer->running_retry) { 1641f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, xfer->slotid, xfer->epid); 1642f1ae32a1SGerd Hoffmann } 1643f1ae32a1SGerd Hoffmann return 0; 1644f1ae32a1SGerd Hoffmann } 1645f1ae32a1SGerd Hoffmann 1646f1ae32a1SGerd Hoffmann static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) 1647f1ae32a1SGerd Hoffmann { 1648d5a15814SGerd Hoffmann trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid); 1649f1ae32a1SGerd Hoffmann return xhci_submit(xhci, xfer, epctx); 1650f1ae32a1SGerd Hoffmann } 1651f1ae32a1SGerd Hoffmann 1652f1ae32a1SGerd Hoffmann static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid) 1653f1ae32a1SGerd Hoffmann { 1654f1ae32a1SGerd Hoffmann XHCIEPContext *epctx; 16553d139684SGerd Hoffmann uint64_t mfindex; 1656f1ae32a1SGerd Hoffmann int length; 1657f1ae32a1SGerd Hoffmann int i; 1658f1ae32a1SGerd Hoffmann 1659c1f6b493SGerd Hoffmann trace_usb_xhci_ep_kick(slotid, epid); 1660f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1661f1ae32a1SGerd Hoffmann assert(epid >= 1 && epid <= 31); 1662f1ae32a1SGerd Hoffmann 1663f1ae32a1SGerd Hoffmann if (!xhci->slots[slotid-1].enabled) { 1664f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid); 1665f1ae32a1SGerd Hoffmann return; 1666f1ae32a1SGerd Hoffmann } 1667f1ae32a1SGerd Hoffmann epctx = xhci->slots[slotid-1].eps[epid-1]; 1668f1ae32a1SGerd Hoffmann if (!epctx) { 1669f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: xhci_kick_ep for disabled endpoint %d,%d\n", 1670f1ae32a1SGerd Hoffmann epid, slotid); 1671f1ae32a1SGerd Hoffmann return; 1672f1ae32a1SGerd Hoffmann } 1673f1ae32a1SGerd Hoffmann 1674f1ae32a1SGerd Hoffmann if (epctx->retry) { 1675f1ae32a1SGerd Hoffmann XHCITransfer *xfer = epctx->retry; 1676f1ae32a1SGerd Hoffmann int result; 1677f1ae32a1SGerd Hoffmann 167897df650bSGerd Hoffmann trace_usb_xhci_xfer_retry(xfer); 1679f1ae32a1SGerd Hoffmann assert(xfer->running_retry); 16803d139684SGerd Hoffmann if (xfer->iso_xfer) { 16813d139684SGerd Hoffmann /* retry delayed iso transfer */ 16823d139684SGerd Hoffmann mfindex = xhci_mfindex_get(xhci); 16833d139684SGerd Hoffmann xhci_check_iso_kick(xhci, xfer, epctx, mfindex); 16843d139684SGerd Hoffmann if (xfer->running_retry) { 16853d139684SGerd Hoffmann return; 16863d139684SGerd Hoffmann } 16873d139684SGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 16883d139684SGerd Hoffmann return; 16893d139684SGerd Hoffmann } 16903d139684SGerd Hoffmann result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 16913d139684SGerd Hoffmann assert(result != USB_RET_NAK); 16923d139684SGerd Hoffmann xhci_complete_packet(xfer, result); 16933d139684SGerd Hoffmann } else { 16943d139684SGerd Hoffmann /* retry nak'ed transfer */ 16955c08106fSGerd Hoffmann if (xhci_setup_packet(xfer) < 0) { 16965c08106fSGerd Hoffmann return; 16975c08106fSGerd Hoffmann } 1698f1ae32a1SGerd Hoffmann result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); 1699f1ae32a1SGerd Hoffmann if (result == USB_RET_NAK) { 1700f1ae32a1SGerd Hoffmann return; 1701f1ae32a1SGerd Hoffmann } 1702f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, result); 17033d139684SGerd Hoffmann } 1704f1ae32a1SGerd Hoffmann assert(!xfer->running_retry); 1705f1ae32a1SGerd Hoffmann epctx->retry = NULL; 1706f1ae32a1SGerd Hoffmann } 1707f1ae32a1SGerd Hoffmann 1708f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1709f1ae32a1SGerd Hoffmann DPRINTF("xhci: ep halted, not running schedule\n"); 1710f1ae32a1SGerd Hoffmann return; 1711f1ae32a1SGerd Hoffmann } 1712f1ae32a1SGerd Hoffmann 1713f1ae32a1SGerd Hoffmann xhci_set_ep_state(xhci, epctx, EP_RUNNING); 1714f1ae32a1SGerd Hoffmann 1715f1ae32a1SGerd Hoffmann while (1) { 1716f1ae32a1SGerd Hoffmann XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer]; 1717331e9406SGerd Hoffmann if (xfer->running_async || xfer->running_retry) { 1718f1ae32a1SGerd Hoffmann break; 1719f1ae32a1SGerd Hoffmann } 1720f1ae32a1SGerd Hoffmann length = xhci_ring_chain_length(xhci, &epctx->ring); 1721f1ae32a1SGerd Hoffmann if (length < 0) { 1722f1ae32a1SGerd Hoffmann break; 1723f1ae32a1SGerd Hoffmann } else if (length == 0) { 1724f1ae32a1SGerd Hoffmann break; 1725f1ae32a1SGerd Hoffmann } 1726f1ae32a1SGerd Hoffmann if (xfer->trbs && xfer->trb_alloced < length) { 1727f1ae32a1SGerd Hoffmann xfer->trb_count = 0; 1728f1ae32a1SGerd Hoffmann xfer->trb_alloced = 0; 1729f1ae32a1SGerd Hoffmann g_free(xfer->trbs); 1730f1ae32a1SGerd Hoffmann xfer->trbs = NULL; 1731f1ae32a1SGerd Hoffmann } 1732f1ae32a1SGerd Hoffmann if (!xfer->trbs) { 1733f1ae32a1SGerd Hoffmann xfer->trbs = g_malloc(sizeof(XHCITRB) * length); 1734f1ae32a1SGerd Hoffmann xfer->trb_alloced = length; 1735f1ae32a1SGerd Hoffmann } 1736f1ae32a1SGerd Hoffmann xfer->trb_count = length; 1737f1ae32a1SGerd Hoffmann 1738f1ae32a1SGerd Hoffmann for (i = 0; i < length; i++) { 1739f1ae32a1SGerd Hoffmann assert(xhci_ring_fetch(xhci, &epctx->ring, &xfer->trbs[i], NULL)); 1740f1ae32a1SGerd Hoffmann } 1741f1ae32a1SGerd Hoffmann xfer->xhci = xhci; 1742f1ae32a1SGerd Hoffmann xfer->epid = epid; 1743f1ae32a1SGerd Hoffmann xfer->slotid = slotid; 1744f1ae32a1SGerd Hoffmann 1745f1ae32a1SGerd Hoffmann if (epid == 1) { 1746f1ae32a1SGerd Hoffmann if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) { 1747f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 1748f1ae32a1SGerd Hoffmann } else { 1749f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: error firing CTL transfer\n"); 1750f1ae32a1SGerd Hoffmann } 1751f1ae32a1SGerd Hoffmann } else { 1752f1ae32a1SGerd Hoffmann if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) { 1753f1ae32a1SGerd Hoffmann epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE; 1754f1ae32a1SGerd Hoffmann } else { 17553d139684SGerd Hoffmann if (!xfer->iso_xfer) { 1756f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: error firing data transfer\n"); 1757f1ae32a1SGerd Hoffmann } 1758f1ae32a1SGerd Hoffmann } 17593d139684SGerd Hoffmann } 1760f1ae32a1SGerd Hoffmann 1761f1ae32a1SGerd Hoffmann if (epctx->state == EP_HALTED) { 1762f1ae32a1SGerd Hoffmann break; 1763f1ae32a1SGerd Hoffmann } 1764f1ae32a1SGerd Hoffmann if (xfer->running_retry) { 1765f1ae32a1SGerd Hoffmann DPRINTF("xhci: xfer nacked, stopping schedule\n"); 1766f1ae32a1SGerd Hoffmann epctx->retry = xfer; 1767f1ae32a1SGerd Hoffmann break; 1768f1ae32a1SGerd Hoffmann } 1769f1ae32a1SGerd Hoffmann } 1770f1ae32a1SGerd Hoffmann } 1771f1ae32a1SGerd Hoffmann 1772f1ae32a1SGerd Hoffmann static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid) 1773f1ae32a1SGerd Hoffmann { 1774348f1037SGerd Hoffmann trace_usb_xhci_slot_enable(slotid); 1775f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1776f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 1; 1777ccaf87a0SGerd Hoffmann xhci->slots[slotid-1].uport = NULL; 1778f1ae32a1SGerd Hoffmann memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); 1779f1ae32a1SGerd Hoffmann 1780f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1781f1ae32a1SGerd Hoffmann } 1782f1ae32a1SGerd Hoffmann 1783f1ae32a1SGerd Hoffmann static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 1784f1ae32a1SGerd Hoffmann { 1785f1ae32a1SGerd Hoffmann int i; 1786f1ae32a1SGerd Hoffmann 1787348f1037SGerd Hoffmann trace_usb_xhci_slot_disable(slotid); 1788f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1789f1ae32a1SGerd Hoffmann 1790f1ae32a1SGerd Hoffmann for (i = 1; i <= 31; i++) { 1791f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 1792f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1793f1ae32a1SGerd Hoffmann } 1794f1ae32a1SGerd Hoffmann } 1795f1ae32a1SGerd Hoffmann 1796f1ae32a1SGerd Hoffmann xhci->slots[slotid-1].enabled = 0; 1797f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1798f1ae32a1SGerd Hoffmann } 1799f1ae32a1SGerd Hoffmann 1800ccaf87a0SGerd Hoffmann static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx) 1801ccaf87a0SGerd Hoffmann { 1802ccaf87a0SGerd Hoffmann USBPort *uport; 1803ccaf87a0SGerd Hoffmann char path[32]; 1804ccaf87a0SGerd Hoffmann int i, pos, port; 1805ccaf87a0SGerd Hoffmann 1806ccaf87a0SGerd Hoffmann port = (slot_ctx[1]>>16) & 0xFF; 1807ccaf87a0SGerd Hoffmann port = xhci->ports[port-1].uport->index+1; 1808ccaf87a0SGerd Hoffmann pos = snprintf(path, sizeof(path), "%d", port); 1809ccaf87a0SGerd Hoffmann for (i = 0; i < 5; i++) { 1810ccaf87a0SGerd Hoffmann port = (slot_ctx[0] >> 4*i) & 0x0f; 1811ccaf87a0SGerd Hoffmann if (!port) { 1812ccaf87a0SGerd Hoffmann break; 1813ccaf87a0SGerd Hoffmann } 1814ccaf87a0SGerd Hoffmann pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port); 1815ccaf87a0SGerd Hoffmann } 1816ccaf87a0SGerd Hoffmann 1817ccaf87a0SGerd Hoffmann QTAILQ_FOREACH(uport, &xhci->bus.used, next) { 1818ccaf87a0SGerd Hoffmann if (strcmp(uport->path, path) == 0) { 1819ccaf87a0SGerd Hoffmann return uport; 1820ccaf87a0SGerd Hoffmann } 1821ccaf87a0SGerd Hoffmann } 1822ccaf87a0SGerd Hoffmann return NULL; 1823ccaf87a0SGerd Hoffmann } 1824ccaf87a0SGerd Hoffmann 1825f1ae32a1SGerd Hoffmann static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 1826f1ae32a1SGerd Hoffmann uint64_t pictx, bool bsr) 1827f1ae32a1SGerd Hoffmann { 1828f1ae32a1SGerd Hoffmann XHCISlot *slot; 1829ccaf87a0SGerd Hoffmann USBPort *uport; 1830f1ae32a1SGerd Hoffmann USBDevice *dev; 183159a70ccdSDavid Gibson dma_addr_t ictx, octx, dcbaap; 1832f1ae32a1SGerd Hoffmann uint64_t poctx; 1833f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 1834f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 1835f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 1836f1ae32a1SGerd Hoffmann int i; 1837f1ae32a1SGerd Hoffmann TRBCCode res; 1838f1ae32a1SGerd Hoffmann 1839348f1037SGerd Hoffmann trace_usb_xhci_slot_address(slotid); 1840f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1841f1ae32a1SGerd Hoffmann 1842f1ae32a1SGerd Hoffmann dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high); 184359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx)); 1844f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 1845f1ae32a1SGerd Hoffmann octx = xhci_mask64(le64_to_cpu(poctx)); 1846f1ae32a1SGerd Hoffmann 184759a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 184859a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1849f1ae32a1SGerd Hoffmann 185059a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1851f1ae32a1SGerd Hoffmann 1852f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) { 1853f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 1854f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 1855f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1856f1ae32a1SGerd Hoffmann } 1857f1ae32a1SGerd Hoffmann 185859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, slot_ctx, sizeof(slot_ctx)); 185959a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+64, ep0_ctx, sizeof(ep0_ctx)); 1860f1ae32a1SGerd Hoffmann 1861f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 1862f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1863f1ae32a1SGerd Hoffmann 1864f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 1865f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 1866f1ae32a1SGerd Hoffmann 1867ccaf87a0SGerd Hoffmann uport = xhci_lookup_uport(xhci, slot_ctx); 1868ccaf87a0SGerd Hoffmann if (uport == NULL) { 1869ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port not found\n"); 1870f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1871ccaf87a0SGerd Hoffmann } 1872ccaf87a0SGerd Hoffmann 1873ccaf87a0SGerd Hoffmann dev = uport->dev; 1874ccaf87a0SGerd Hoffmann if (!dev) { 1875ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port %s not connected\n", uport->path); 1876f1ae32a1SGerd Hoffmann return CC_USB_TRANSACTION_ERROR; 1877f1ae32a1SGerd Hoffmann } 1878f1ae32a1SGerd Hoffmann 1879f1ae32a1SGerd Hoffmann for (i = 0; i < MAXSLOTS; i++) { 1880ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 1881ccaf87a0SGerd Hoffmann fprintf(stderr, "xhci: port %s already assigned to slot %d\n", 1882ccaf87a0SGerd Hoffmann uport->path, i+1); 1883f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1884f1ae32a1SGerd Hoffmann } 1885f1ae32a1SGerd Hoffmann } 1886f1ae32a1SGerd Hoffmann 1887f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 1888ccaf87a0SGerd Hoffmann slot->uport = uport; 1889f1ae32a1SGerd Hoffmann slot->ctx = octx; 1890f1ae32a1SGerd Hoffmann 1891f1ae32a1SGerd Hoffmann if (bsr) { 1892f1ae32a1SGerd Hoffmann slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT; 1893f1ae32a1SGerd Hoffmann } else { 1894f1ae32a1SGerd Hoffmann slot->devaddr = xhci->devaddr++; 1895f1ae32a1SGerd Hoffmann slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr; 1896f1ae32a1SGerd Hoffmann DPRINTF("xhci: device address is %d\n", slot->devaddr); 1897f1ae32a1SGerd Hoffmann usb_device_handle_control(dev, NULL, 1898f1ae32a1SGerd Hoffmann DeviceOutRequest | USB_REQ_SET_ADDRESS, 1899f1ae32a1SGerd Hoffmann slot->devaddr, 0, 0, NULL); 1900f1ae32a1SGerd Hoffmann } 1901f1ae32a1SGerd Hoffmann 1902f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, 1, octx+32, ep0_ctx); 1903f1ae32a1SGerd Hoffmann 1904f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1905f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1906f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 1907f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 1908f1ae32a1SGerd Hoffmann 190959a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 191059a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 1911f1ae32a1SGerd Hoffmann 1912f1ae32a1SGerd Hoffmann return res; 1913f1ae32a1SGerd Hoffmann } 1914f1ae32a1SGerd Hoffmann 1915f1ae32a1SGerd Hoffmann 1916f1ae32a1SGerd Hoffmann static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 1917f1ae32a1SGerd Hoffmann uint64_t pictx, bool dc) 1918f1ae32a1SGerd Hoffmann { 191959a70ccdSDavid Gibson dma_addr_t ictx, octx; 1920f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 1921f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 1922f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 1923f1ae32a1SGerd Hoffmann uint32_t ep_ctx[5]; 1924f1ae32a1SGerd Hoffmann int i; 1925f1ae32a1SGerd Hoffmann TRBCCode res; 1926f1ae32a1SGerd Hoffmann 1927348f1037SGerd Hoffmann trace_usb_xhci_slot_configure(slotid); 1928f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 1929f1ae32a1SGerd Hoffmann 1930f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 1931f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 1932f1ae32a1SGerd Hoffmann 193359a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 193459a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 1935f1ae32a1SGerd Hoffmann 1936f1ae32a1SGerd Hoffmann if (dc) { 1937f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 1938f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 1939f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1940f1ae32a1SGerd Hoffmann } 1941f1ae32a1SGerd Hoffmann } 1942f1ae32a1SGerd Hoffmann 194359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1944f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 1945f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT; 1946f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1947f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 194859a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1949f1ae32a1SGerd Hoffmann 1950f1ae32a1SGerd Hoffmann return CC_SUCCESS; 1951f1ae32a1SGerd Hoffmann } 1952f1ae32a1SGerd Hoffmann 195359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 1954f1ae32a1SGerd Hoffmann 1955f1ae32a1SGerd Hoffmann if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) { 1956f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 1957f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 1958f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 1959f1ae32a1SGerd Hoffmann } 1960f1ae32a1SGerd Hoffmann 196159a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); 196259a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 1963f1ae32a1SGerd Hoffmann 1964f1ae32a1SGerd Hoffmann if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) { 1965f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]); 1966f1ae32a1SGerd Hoffmann return CC_CONTEXT_STATE_ERROR; 1967f1ae32a1SGerd Hoffmann } 1968f1ae32a1SGerd Hoffmann 1969f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 1970f1ae32a1SGerd Hoffmann if (ictl_ctx[0] & (1<<i)) { 1971f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1972f1ae32a1SGerd Hoffmann } 1973f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & (1<<i)) { 197459a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32+(32*i), ep_ctx, 197559a70ccdSDavid Gibson sizeof(ep_ctx)); 1976f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n", 1977f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 1978f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 1979f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 1980f1ae32a1SGerd Hoffmann res = xhci_enable_ep(xhci, slotid, i, octx+(32*i), ep_ctx); 1981f1ae32a1SGerd Hoffmann if (res != CC_SUCCESS) { 1982f1ae32a1SGerd Hoffmann return res; 1983f1ae32a1SGerd Hoffmann } 1984f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n", 1985f1ae32a1SGerd Hoffmann i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2], 1986f1ae32a1SGerd Hoffmann ep_ctx[3], ep_ctx[4]); 198759a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+(32*i), ep_ctx, sizeof(ep_ctx)); 1988f1ae32a1SGerd Hoffmann } 1989f1ae32a1SGerd Hoffmann } 1990f1ae32a1SGerd Hoffmann 1991f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 1992f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_CONFIGURED << SLOT_STATE_SHIFT; 1993f1ae32a1SGerd Hoffmann slot_ctx[0] &= ~(SLOT_CONTEXT_ENTRIES_MASK << SLOT_CONTEXT_ENTRIES_SHIFT); 1994f1ae32a1SGerd Hoffmann slot_ctx[0] |= islot_ctx[0] & (SLOT_CONTEXT_ENTRIES_MASK << 1995f1ae32a1SGerd Hoffmann SLOT_CONTEXT_ENTRIES_SHIFT); 1996f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 1997f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 1998f1ae32a1SGerd Hoffmann 199959a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2000f1ae32a1SGerd Hoffmann 2001f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2002f1ae32a1SGerd Hoffmann } 2003f1ae32a1SGerd Hoffmann 2004f1ae32a1SGerd Hoffmann 2005f1ae32a1SGerd Hoffmann static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 2006f1ae32a1SGerd Hoffmann uint64_t pictx) 2007f1ae32a1SGerd Hoffmann { 200859a70ccdSDavid Gibson dma_addr_t ictx, octx; 2009f1ae32a1SGerd Hoffmann uint32_t ictl_ctx[2]; 2010f1ae32a1SGerd Hoffmann uint32_t iep0_ctx[5]; 2011f1ae32a1SGerd Hoffmann uint32_t ep0_ctx[5]; 2012f1ae32a1SGerd Hoffmann uint32_t islot_ctx[4]; 2013f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 2014f1ae32a1SGerd Hoffmann 2015348f1037SGerd Hoffmann trace_usb_xhci_slot_evaluate(slotid); 2016f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 2017f1ae32a1SGerd Hoffmann 2018f1ae32a1SGerd Hoffmann ictx = xhci_mask64(pictx); 2019f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2020f1ae32a1SGerd Hoffmann 202159a70ccdSDavid Gibson DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx); 202259a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2023f1ae32a1SGerd Hoffmann 202459a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx)); 2025f1ae32a1SGerd Hoffmann 2026f1ae32a1SGerd Hoffmann if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) { 2027f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: invalid input context control %08x %08x\n", 2028f1ae32a1SGerd Hoffmann ictl_ctx[0], ictl_ctx[1]); 2029f1ae32a1SGerd Hoffmann return CC_TRB_ERROR; 2030f1ae32a1SGerd Hoffmann } 2031f1ae32a1SGerd Hoffmann 2032f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x1) { 203359a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx)); 2034f1ae32a1SGerd Hoffmann 2035f1ae32a1SGerd Hoffmann DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n", 2036f1ae32a1SGerd Hoffmann islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]); 2037f1ae32a1SGerd Hoffmann 203859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2039f1ae32a1SGerd Hoffmann 2040f1ae32a1SGerd Hoffmann slot_ctx[1] &= ~0xFFFF; /* max exit latency */ 2041f1ae32a1SGerd Hoffmann slot_ctx[1] |= islot_ctx[1] & 0xFFFF; 2042f1ae32a1SGerd Hoffmann slot_ctx[2] &= ~0xFF00000; /* interrupter target */ 2043f1ae32a1SGerd Hoffmann slot_ctx[2] |= islot_ctx[2] & 0xFF000000; 2044f1ae32a1SGerd Hoffmann 2045f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2046f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 2047f1ae32a1SGerd Hoffmann 204859a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2049f1ae32a1SGerd Hoffmann } 2050f1ae32a1SGerd Hoffmann 2051f1ae32a1SGerd Hoffmann if (ictl_ctx[1] & 0x2) { 205259a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, ictx+64, iep0_ctx, sizeof(iep0_ctx)); 2053f1ae32a1SGerd Hoffmann 2054f1ae32a1SGerd Hoffmann DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n", 2055f1ae32a1SGerd Hoffmann iep0_ctx[0], iep0_ctx[1], iep0_ctx[2], 2056f1ae32a1SGerd Hoffmann iep0_ctx[3], iep0_ctx[4]); 2057f1ae32a1SGerd Hoffmann 205859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2059f1ae32a1SGerd Hoffmann 2060f1ae32a1SGerd Hoffmann ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/ 2061f1ae32a1SGerd Hoffmann ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000; 2062f1ae32a1SGerd Hoffmann 2063f1ae32a1SGerd Hoffmann DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n", 2064f1ae32a1SGerd Hoffmann ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]); 2065f1ae32a1SGerd Hoffmann 206659a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx)); 2067f1ae32a1SGerd Hoffmann } 2068f1ae32a1SGerd Hoffmann 2069f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2070f1ae32a1SGerd Hoffmann } 2071f1ae32a1SGerd Hoffmann 2072f1ae32a1SGerd Hoffmann static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 2073f1ae32a1SGerd Hoffmann { 2074f1ae32a1SGerd Hoffmann uint32_t slot_ctx[4]; 207559a70ccdSDavid Gibson dma_addr_t octx; 2076f1ae32a1SGerd Hoffmann int i; 2077f1ae32a1SGerd Hoffmann 2078348f1037SGerd Hoffmann trace_usb_xhci_slot_reset(slotid); 2079f1ae32a1SGerd Hoffmann assert(slotid >= 1 && slotid <= MAXSLOTS); 2080f1ae32a1SGerd Hoffmann 2081f1ae32a1SGerd Hoffmann octx = xhci->slots[slotid-1].ctx; 2082f1ae32a1SGerd Hoffmann 208359a70ccdSDavid Gibson DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx); 2084f1ae32a1SGerd Hoffmann 2085f1ae32a1SGerd Hoffmann for (i = 2; i <= 31; i++) { 2086f1ae32a1SGerd Hoffmann if (xhci->slots[slotid-1].eps[i-1]) { 2087f1ae32a1SGerd Hoffmann xhci_disable_ep(xhci, slotid, i); 2088f1ae32a1SGerd Hoffmann } 2089f1ae32a1SGerd Hoffmann } 2090f1ae32a1SGerd Hoffmann 209159a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2092f1ae32a1SGerd Hoffmann slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT); 2093f1ae32a1SGerd Hoffmann slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT; 2094f1ae32a1SGerd Hoffmann DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n", 2095f1ae32a1SGerd Hoffmann slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]); 209659a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx)); 2097f1ae32a1SGerd Hoffmann 2098f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2099f1ae32a1SGerd Hoffmann } 2100f1ae32a1SGerd Hoffmann 2101f1ae32a1SGerd Hoffmann static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *trb) 2102f1ae32a1SGerd Hoffmann { 2103f1ae32a1SGerd Hoffmann unsigned int slotid; 2104f1ae32a1SGerd Hoffmann slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK; 2105f1ae32a1SGerd Hoffmann if (slotid < 1 || slotid > MAXSLOTS) { 2106f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: bad slot id %d\n", slotid); 2107f1ae32a1SGerd Hoffmann event->ccode = CC_TRB_ERROR; 2108f1ae32a1SGerd Hoffmann return 0; 2109f1ae32a1SGerd Hoffmann } else if (!xhci->slots[slotid-1].enabled) { 2110f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: slot id %d not enabled\n", slotid); 2111f1ae32a1SGerd Hoffmann event->ccode = CC_SLOT_NOT_ENABLED_ERROR; 2112f1ae32a1SGerd Hoffmann return 0; 2113f1ae32a1SGerd Hoffmann } 2114f1ae32a1SGerd Hoffmann return slotid; 2115f1ae32a1SGerd Hoffmann } 2116f1ae32a1SGerd Hoffmann 2117f1ae32a1SGerd Hoffmann static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx) 2118f1ae32a1SGerd Hoffmann { 211959a70ccdSDavid Gibson dma_addr_t ctx; 21200846e635SGerd Hoffmann uint8_t bw_ctx[xhci->numports+1]; 2121f1ae32a1SGerd Hoffmann 2122f1ae32a1SGerd Hoffmann DPRINTF("xhci_get_port_bandwidth()\n"); 2123f1ae32a1SGerd Hoffmann 2124f1ae32a1SGerd Hoffmann ctx = xhci_mask64(pctx); 2125f1ae32a1SGerd Hoffmann 212659a70ccdSDavid Gibson DPRINTF("xhci: bandwidth context at "DMA_ADDR_FMT"\n", ctx); 2127f1ae32a1SGerd Hoffmann 2128f1ae32a1SGerd Hoffmann /* TODO: actually implement real values here */ 2129f1ae32a1SGerd Hoffmann bw_ctx[0] = 0; 21300846e635SGerd Hoffmann memset(&bw_ctx[1], 80, xhci->numports); /* 80% */ 213159a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx)); 2132f1ae32a1SGerd Hoffmann 2133f1ae32a1SGerd Hoffmann return CC_SUCCESS; 2134f1ae32a1SGerd Hoffmann } 2135f1ae32a1SGerd Hoffmann 2136f1ae32a1SGerd Hoffmann static uint32_t rotl(uint32_t v, unsigned count) 2137f1ae32a1SGerd Hoffmann { 2138f1ae32a1SGerd Hoffmann count &= 31; 2139f1ae32a1SGerd Hoffmann return (v << count) | (v >> (32 - count)); 2140f1ae32a1SGerd Hoffmann } 2141f1ae32a1SGerd Hoffmann 2142f1ae32a1SGerd Hoffmann 2143f1ae32a1SGerd Hoffmann static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo) 2144f1ae32a1SGerd Hoffmann { 2145f1ae32a1SGerd Hoffmann uint32_t val; 2146f1ae32a1SGerd Hoffmann val = rotl(lo - 0x49434878, 32 - ((hi>>8) & 0x1F)); 2147f1ae32a1SGerd Hoffmann val += rotl(lo + 0x49434878, hi & 0x1F); 2148f1ae32a1SGerd Hoffmann val -= rotl(hi ^ 0x49434878, (lo >> 16) & 0x1F); 2149f1ae32a1SGerd Hoffmann return ~val; 2150f1ae32a1SGerd Hoffmann } 2151f1ae32a1SGerd Hoffmann 215259a70ccdSDavid Gibson static void xhci_via_challenge(XHCIState *xhci, uint64_t addr) 2153f1ae32a1SGerd Hoffmann { 2154f1ae32a1SGerd Hoffmann uint32_t buf[8]; 2155f1ae32a1SGerd Hoffmann uint32_t obuf[8]; 215659a70ccdSDavid Gibson dma_addr_t paddr = xhci_mask64(addr); 2157f1ae32a1SGerd Hoffmann 215859a70ccdSDavid Gibson pci_dma_read(&xhci->pci_dev, paddr, &buf, 32); 2159f1ae32a1SGerd Hoffmann 2160f1ae32a1SGerd Hoffmann memcpy(obuf, buf, sizeof(obuf)); 2161f1ae32a1SGerd Hoffmann 2162f1ae32a1SGerd Hoffmann if ((buf[0] & 0xff) == 2) { 2163f1ae32a1SGerd Hoffmann obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3]; 2164f1ae32a1SGerd Hoffmann obuf[0] |= (buf[2] * buf[3]) & 0xff; 2165f1ae32a1SGerd Hoffmann obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3]; 2166f1ae32a1SGerd Hoffmann obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3]; 2167f1ae32a1SGerd Hoffmann obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3]; 2168f1ae32a1SGerd Hoffmann obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3]; 2169f1ae32a1SGerd Hoffmann obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3]; 2170f1ae32a1SGerd Hoffmann obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956; 2171f1ae32a1SGerd Hoffmann obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593; 2172f1ae32a1SGerd Hoffmann } 2173f1ae32a1SGerd Hoffmann 217459a70ccdSDavid Gibson pci_dma_write(&xhci->pci_dev, paddr, &obuf, 32); 2175f1ae32a1SGerd Hoffmann } 2176f1ae32a1SGerd Hoffmann 2177f1ae32a1SGerd Hoffmann static void xhci_process_commands(XHCIState *xhci) 2178f1ae32a1SGerd Hoffmann { 2179f1ae32a1SGerd Hoffmann XHCITRB trb; 2180f1ae32a1SGerd Hoffmann TRBType type; 2181f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS}; 218259a70ccdSDavid Gibson dma_addr_t addr; 2183f1ae32a1SGerd Hoffmann unsigned int i, slotid = 0; 2184f1ae32a1SGerd Hoffmann 2185f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands()\n"); 2186f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2187f1ae32a1SGerd Hoffmann DPRINTF("xhci_process_commands() called while xHC stopped or paused\n"); 2188f1ae32a1SGerd Hoffmann return; 2189f1ae32a1SGerd Hoffmann } 2190f1ae32a1SGerd Hoffmann 2191f1ae32a1SGerd Hoffmann xhci->crcr_low |= CRCR_CRR; 2192f1ae32a1SGerd Hoffmann 2193f1ae32a1SGerd Hoffmann while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) { 2194f1ae32a1SGerd Hoffmann event.ptr = addr; 2195f1ae32a1SGerd Hoffmann switch (type) { 2196f1ae32a1SGerd Hoffmann case CR_ENABLE_SLOT: 2197f1ae32a1SGerd Hoffmann for (i = 0; i < MAXSLOTS; i++) { 2198f1ae32a1SGerd Hoffmann if (!xhci->slots[i].enabled) { 2199f1ae32a1SGerd Hoffmann break; 2200f1ae32a1SGerd Hoffmann } 2201f1ae32a1SGerd Hoffmann } 2202f1ae32a1SGerd Hoffmann if (i >= MAXSLOTS) { 2203f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: no device slots available\n"); 2204f1ae32a1SGerd Hoffmann event.ccode = CC_NO_SLOTS_ERROR; 2205f1ae32a1SGerd Hoffmann } else { 2206f1ae32a1SGerd Hoffmann slotid = i+1; 2207f1ae32a1SGerd Hoffmann event.ccode = xhci_enable_slot(xhci, slotid); 2208f1ae32a1SGerd Hoffmann } 2209f1ae32a1SGerd Hoffmann break; 2210f1ae32a1SGerd Hoffmann case CR_DISABLE_SLOT: 2211f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2212f1ae32a1SGerd Hoffmann if (slotid) { 2213f1ae32a1SGerd Hoffmann event.ccode = xhci_disable_slot(xhci, slotid); 2214f1ae32a1SGerd Hoffmann } 2215f1ae32a1SGerd Hoffmann break; 2216f1ae32a1SGerd Hoffmann case CR_ADDRESS_DEVICE: 2217f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2218f1ae32a1SGerd Hoffmann if (slotid) { 2219f1ae32a1SGerd Hoffmann event.ccode = xhci_address_slot(xhci, slotid, trb.parameter, 2220f1ae32a1SGerd Hoffmann trb.control & TRB_CR_BSR); 2221f1ae32a1SGerd Hoffmann } 2222f1ae32a1SGerd Hoffmann break; 2223f1ae32a1SGerd Hoffmann case CR_CONFIGURE_ENDPOINT: 2224f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2225f1ae32a1SGerd Hoffmann if (slotid) { 2226f1ae32a1SGerd Hoffmann event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter, 2227f1ae32a1SGerd Hoffmann trb.control & TRB_CR_DC); 2228f1ae32a1SGerd Hoffmann } 2229f1ae32a1SGerd Hoffmann break; 2230f1ae32a1SGerd Hoffmann case CR_EVALUATE_CONTEXT: 2231f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2232f1ae32a1SGerd Hoffmann if (slotid) { 2233f1ae32a1SGerd Hoffmann event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter); 2234f1ae32a1SGerd Hoffmann } 2235f1ae32a1SGerd Hoffmann break; 2236f1ae32a1SGerd Hoffmann case CR_STOP_ENDPOINT: 2237f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2238f1ae32a1SGerd Hoffmann if (slotid) { 2239f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2240f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2241f1ae32a1SGerd Hoffmann event.ccode = xhci_stop_ep(xhci, slotid, epid); 2242f1ae32a1SGerd Hoffmann } 2243f1ae32a1SGerd Hoffmann break; 2244f1ae32a1SGerd Hoffmann case CR_RESET_ENDPOINT: 2245f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2246f1ae32a1SGerd Hoffmann if (slotid) { 2247f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2248f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2249f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_ep(xhci, slotid, epid); 2250f1ae32a1SGerd Hoffmann } 2251f1ae32a1SGerd Hoffmann break; 2252f1ae32a1SGerd Hoffmann case CR_SET_TR_DEQUEUE: 2253f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2254f1ae32a1SGerd Hoffmann if (slotid) { 2255f1ae32a1SGerd Hoffmann unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT) 2256f1ae32a1SGerd Hoffmann & TRB_CR_EPID_MASK; 2257f1ae32a1SGerd Hoffmann event.ccode = xhci_set_ep_dequeue(xhci, slotid, epid, 2258f1ae32a1SGerd Hoffmann trb.parameter); 2259f1ae32a1SGerd Hoffmann } 2260f1ae32a1SGerd Hoffmann break; 2261f1ae32a1SGerd Hoffmann case CR_RESET_DEVICE: 2262f1ae32a1SGerd Hoffmann slotid = xhci_get_slot(xhci, &event, &trb); 2263f1ae32a1SGerd Hoffmann if (slotid) { 2264f1ae32a1SGerd Hoffmann event.ccode = xhci_reset_slot(xhci, slotid); 2265f1ae32a1SGerd Hoffmann } 2266f1ae32a1SGerd Hoffmann break; 2267f1ae32a1SGerd Hoffmann case CR_GET_PORT_BANDWIDTH: 2268f1ae32a1SGerd Hoffmann event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter); 2269f1ae32a1SGerd Hoffmann break; 2270f1ae32a1SGerd Hoffmann case CR_VENDOR_VIA_CHALLENGE_RESPONSE: 227159a70ccdSDavid Gibson xhci_via_challenge(xhci, trb.parameter); 2272f1ae32a1SGerd Hoffmann break; 2273f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_FIRMWARE_REVISION: 2274f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2275f1ae32a1SGerd Hoffmann event.length = 0x3025; 2276f1ae32a1SGerd Hoffmann break; 2277f1ae32a1SGerd Hoffmann case CR_VENDOR_NEC_CHALLENGE_RESPONSE: 2278f1ae32a1SGerd Hoffmann { 2279f1ae32a1SGerd Hoffmann uint32_t chi = trb.parameter >> 32; 2280f1ae32a1SGerd Hoffmann uint32_t clo = trb.parameter; 2281f1ae32a1SGerd Hoffmann uint32_t val = xhci_nec_challenge(chi, clo); 2282f1ae32a1SGerd Hoffmann event.length = val & 0xFFFF; 2283f1ae32a1SGerd Hoffmann event.epid = val >> 16; 2284f1ae32a1SGerd Hoffmann slotid = val >> 24; 2285f1ae32a1SGerd Hoffmann event.type = 48; /* NEC reply */ 2286f1ae32a1SGerd Hoffmann } 2287f1ae32a1SGerd Hoffmann break; 2288f1ae32a1SGerd Hoffmann default: 2289f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: unimplemented command %d\n", type); 2290f1ae32a1SGerd Hoffmann event.ccode = CC_TRB_ERROR; 2291f1ae32a1SGerd Hoffmann break; 2292f1ae32a1SGerd Hoffmann } 2293f1ae32a1SGerd Hoffmann event.slotid = slotid; 22942d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2295f1ae32a1SGerd Hoffmann } 2296f1ae32a1SGerd Hoffmann } 2297f1ae32a1SGerd Hoffmann 2298f1ae32a1SGerd Hoffmann static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach) 2299f1ae32a1SGerd Hoffmann { 2300f1ae32a1SGerd Hoffmann port->portsc = PORTSC_PP; 23010846e635SGerd Hoffmann if (port->uport->dev && port->uport->dev->attached && !is_detach && 23020846e635SGerd Hoffmann (1 << port->uport->dev->speed) & port->speedmask) { 2303f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CCS; 23040846e635SGerd Hoffmann switch (port->uport->dev->speed) { 2305f1ae32a1SGerd Hoffmann case USB_SPEED_LOW: 2306f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_LOW; 2307f1ae32a1SGerd Hoffmann break; 2308f1ae32a1SGerd Hoffmann case USB_SPEED_FULL: 2309f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_FULL; 2310f1ae32a1SGerd Hoffmann break; 2311f1ae32a1SGerd Hoffmann case USB_SPEED_HIGH: 2312f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_SPEED_HIGH; 2313f1ae32a1SGerd Hoffmann break; 23140846e635SGerd Hoffmann case USB_SPEED_SUPER: 23150846e635SGerd Hoffmann port->portsc |= PORTSC_SPEED_SUPER; 23160846e635SGerd Hoffmann break; 2317f1ae32a1SGerd Hoffmann } 2318f1ae32a1SGerd Hoffmann } 2319f1ae32a1SGerd Hoffmann 2320f1ae32a1SGerd Hoffmann if (xhci_running(xhci)) { 2321f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_CSC; 23220846e635SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 23230846e635SGerd Hoffmann port->portnr << 24}; 23242d1de850SGerd Hoffmann xhci_event(xhci, &ev, 0); 23250846e635SGerd Hoffmann DPRINTF("xhci: port change event for port %d\n", port->portnr); 2326f1ae32a1SGerd Hoffmann } 2327f1ae32a1SGerd Hoffmann } 2328f1ae32a1SGerd Hoffmann 232964619739SJan Kiszka static void xhci_reset(DeviceState *dev) 2330f1ae32a1SGerd Hoffmann { 233164619739SJan Kiszka XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev); 2332f1ae32a1SGerd Hoffmann int i; 2333f1ae32a1SGerd Hoffmann 23342d754a10SGerd Hoffmann trace_usb_xhci_reset(); 2335f1ae32a1SGerd Hoffmann if (!(xhci->usbsts & USBSTS_HCH)) { 2336f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: reset while running!\n"); 2337f1ae32a1SGerd Hoffmann } 2338f1ae32a1SGerd Hoffmann 2339f1ae32a1SGerd Hoffmann xhci->usbcmd = 0; 2340f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2341f1ae32a1SGerd Hoffmann xhci->dnctrl = 0; 2342f1ae32a1SGerd Hoffmann xhci->crcr_low = 0; 2343f1ae32a1SGerd Hoffmann xhci->crcr_high = 0; 2344f1ae32a1SGerd Hoffmann xhci->dcbaap_low = 0; 2345f1ae32a1SGerd Hoffmann xhci->dcbaap_high = 0; 2346f1ae32a1SGerd Hoffmann xhci->config = 0; 2347f1ae32a1SGerd Hoffmann xhci->devaddr = 2; 2348f1ae32a1SGerd Hoffmann 2349f1ae32a1SGerd Hoffmann for (i = 0; i < MAXSLOTS; i++) { 2350f1ae32a1SGerd Hoffmann xhci_disable_slot(xhci, i+1); 2351f1ae32a1SGerd Hoffmann } 2352f1ae32a1SGerd Hoffmann 23530846e635SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 2354f1ae32a1SGerd Hoffmann xhci_update_port(xhci, xhci->ports + i, 0); 2355f1ae32a1SGerd Hoffmann } 2356f1ae32a1SGerd Hoffmann 2357962d11e1SGerd Hoffmann for (i = 0; i < MAXINTRS; i++) { 2358962d11e1SGerd Hoffmann xhci->intr[i].iman = 0; 2359962d11e1SGerd Hoffmann xhci->intr[i].imod = 0; 2360962d11e1SGerd Hoffmann xhci->intr[i].erstsz = 0; 2361962d11e1SGerd Hoffmann xhci->intr[i].erstba_low = 0; 2362962d11e1SGerd Hoffmann xhci->intr[i].erstba_high = 0; 2363962d11e1SGerd Hoffmann xhci->intr[i].erdp_low = 0; 2364962d11e1SGerd Hoffmann xhci->intr[i].erdp_high = 0; 2365962d11e1SGerd Hoffmann xhci->intr[i].msix_used = 0; 2366f1ae32a1SGerd Hoffmann 2367962d11e1SGerd Hoffmann xhci->intr[i].er_ep_idx = 0; 2368962d11e1SGerd Hoffmann xhci->intr[i].er_pcs = 1; 2369962d11e1SGerd Hoffmann xhci->intr[i].er_full = 0; 2370962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_put = 0; 2371962d11e1SGerd Hoffmann xhci->intr[i].ev_buffer_get = 0; 2372962d11e1SGerd Hoffmann } 237301546fa6SGerd Hoffmann 237401546fa6SGerd Hoffmann xhci->mfindex_start = qemu_get_clock_ns(vm_clock); 237501546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2376f1ae32a1SGerd Hoffmann } 2377f1ae32a1SGerd Hoffmann 2378a8170e5eSAvi Kivity static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) 2379f1ae32a1SGerd Hoffmann { 23801b067564SGerd Hoffmann XHCIState *xhci = ptr; 23812d754a10SGerd Hoffmann uint32_t ret; 2382f1ae32a1SGerd Hoffmann 2383f1ae32a1SGerd Hoffmann switch (reg) { 2384f1ae32a1SGerd Hoffmann case 0x00: /* HCIVERSION, CAPLENGTH */ 23852d754a10SGerd Hoffmann ret = 0x01000000 | LEN_CAP; 23862d754a10SGerd Hoffmann break; 2387f1ae32a1SGerd Hoffmann case 0x04: /* HCSPARAMS 1 */ 23880846e635SGerd Hoffmann ret = ((xhci->numports_2+xhci->numports_3)<<24) 23890846e635SGerd Hoffmann | (MAXINTRS<<8) | MAXSLOTS; 23902d754a10SGerd Hoffmann break; 2391f1ae32a1SGerd Hoffmann case 0x08: /* HCSPARAMS 2 */ 23922d754a10SGerd Hoffmann ret = 0x0000000f; 23932d754a10SGerd Hoffmann break; 2394f1ae32a1SGerd Hoffmann case 0x0c: /* HCSPARAMS 3 */ 23952d754a10SGerd Hoffmann ret = 0x00000000; 23962d754a10SGerd Hoffmann break; 2397f1ae32a1SGerd Hoffmann case 0x10: /* HCCPARAMS */ 23982d754a10SGerd Hoffmann if (sizeof(dma_addr_t) == 4) { 23992d754a10SGerd Hoffmann ret = 0x00081000; 24002d754a10SGerd Hoffmann } else { 24012d754a10SGerd Hoffmann ret = 0x00081001; 24022d754a10SGerd Hoffmann } 24032d754a10SGerd Hoffmann break; 2404f1ae32a1SGerd Hoffmann case 0x14: /* DBOFF */ 24052d754a10SGerd Hoffmann ret = OFF_DOORBELL; 24062d754a10SGerd Hoffmann break; 2407f1ae32a1SGerd Hoffmann case 0x18: /* RTSOFF */ 24082d754a10SGerd Hoffmann ret = OFF_RUNTIME; 24092d754a10SGerd Hoffmann break; 2410f1ae32a1SGerd Hoffmann 2411f1ae32a1SGerd Hoffmann /* extended capabilities */ 2412f1ae32a1SGerd Hoffmann case 0x20: /* Supported Protocol:00 */ 24132d754a10SGerd Hoffmann ret = 0x02000402; /* USB 2.0 */ 24142d754a10SGerd Hoffmann break; 2415f1ae32a1SGerd Hoffmann case 0x24: /* Supported Protocol:04 */ 24162d754a10SGerd Hoffmann ret = 0x20425455; /* "USB " */ 24172d754a10SGerd Hoffmann break; 2418f1ae32a1SGerd Hoffmann case 0x28: /* Supported Protocol:08 */ 24190846e635SGerd Hoffmann ret = 0x00000001 | (xhci->numports_2<<8); 24202d754a10SGerd Hoffmann break; 2421f1ae32a1SGerd Hoffmann case 0x2c: /* Supported Protocol:0c */ 24222d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 24232d754a10SGerd Hoffmann break; 2424f1ae32a1SGerd Hoffmann case 0x30: /* Supported Protocol:00 */ 24252d754a10SGerd Hoffmann ret = 0x03000002; /* USB 3.0 */ 24262d754a10SGerd Hoffmann break; 2427f1ae32a1SGerd Hoffmann case 0x34: /* Supported Protocol:04 */ 24282d754a10SGerd Hoffmann ret = 0x20425455; /* "USB " */ 24292d754a10SGerd Hoffmann break; 2430f1ae32a1SGerd Hoffmann case 0x38: /* Supported Protocol:08 */ 24310846e635SGerd Hoffmann ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8); 24322d754a10SGerd Hoffmann break; 2433f1ae32a1SGerd Hoffmann case 0x3c: /* Supported Protocol:0c */ 24342d754a10SGerd Hoffmann ret = 0x00000000; /* reserved */ 24352d754a10SGerd Hoffmann break; 2436f1ae32a1SGerd Hoffmann default: 24371b067564SGerd Hoffmann fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg); 24382d754a10SGerd Hoffmann ret = 0; 2439f1ae32a1SGerd Hoffmann } 24402d754a10SGerd Hoffmann 24412d754a10SGerd Hoffmann trace_usb_xhci_cap_read(reg, ret); 24422d754a10SGerd Hoffmann return ret; 2443f1ae32a1SGerd Hoffmann } 2444f1ae32a1SGerd Hoffmann 2445a8170e5eSAvi Kivity static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size) 2446f1ae32a1SGerd Hoffmann { 24471d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 24482d754a10SGerd Hoffmann uint32_t ret; 24492d754a10SGerd Hoffmann 24501d8a4e69SGerd Hoffmann switch (reg) { 2451f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 24521d8a4e69SGerd Hoffmann ret = port->portsc; 24532d754a10SGerd Hoffmann break; 2454f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2455f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 24562d754a10SGerd Hoffmann ret = 0; 24572d754a10SGerd Hoffmann break; 2458f1ae32a1SGerd Hoffmann case 0x0c: /* reserved */ 2459f1ae32a1SGerd Hoffmann default: 2460f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n", 24611d8a4e69SGerd Hoffmann port->portnr, (uint32_t)reg); 24622d754a10SGerd Hoffmann ret = 0; 2463f1ae32a1SGerd Hoffmann } 24642d754a10SGerd Hoffmann 24651d8a4e69SGerd Hoffmann trace_usb_xhci_port_read(port->portnr, reg, ret); 24662d754a10SGerd Hoffmann return ret; 2467f1ae32a1SGerd Hoffmann } 2468f1ae32a1SGerd Hoffmann 2469a8170e5eSAvi Kivity static void xhci_port_write(void *ptr, hwaddr reg, 24701d8a4e69SGerd Hoffmann uint64_t val, unsigned size) 2471f1ae32a1SGerd Hoffmann { 24721d8a4e69SGerd Hoffmann XHCIPort *port = ptr; 2473f1ae32a1SGerd Hoffmann uint32_t portsc; 2474f1ae32a1SGerd Hoffmann 24751d8a4e69SGerd Hoffmann trace_usb_xhci_port_write(port->portnr, reg, val); 24762d754a10SGerd Hoffmann 24771d8a4e69SGerd Hoffmann switch (reg) { 2478f1ae32a1SGerd Hoffmann case 0x00: /* PORTSC */ 24791d8a4e69SGerd Hoffmann portsc = port->portsc; 2480f1ae32a1SGerd Hoffmann /* write-1-to-clear bits*/ 2481f1ae32a1SGerd Hoffmann portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC| 2482f1ae32a1SGerd Hoffmann PORTSC_PRC|PORTSC_PLC|PORTSC_CEC)); 2483f1ae32a1SGerd Hoffmann if (val & PORTSC_LWS) { 2484f1ae32a1SGerd Hoffmann /* overwrite PLS only when LWS=1 */ 2485f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PLS_MASK << PORTSC_PLS_SHIFT); 2486f1ae32a1SGerd Hoffmann portsc |= val & (PORTSC_PLS_MASK << PORTSC_PLS_SHIFT); 2487f1ae32a1SGerd Hoffmann } 2488f1ae32a1SGerd Hoffmann /* read/write bits */ 2489f1ae32a1SGerd Hoffmann portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE); 2490f1ae32a1SGerd Hoffmann portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE)); 2491f1ae32a1SGerd Hoffmann /* write-1-to-start bits */ 2492f1ae32a1SGerd Hoffmann if (val & PORTSC_PR) { 2493f1ae32a1SGerd Hoffmann DPRINTF("xhci: port %d reset\n", port); 24941d8a4e69SGerd Hoffmann usb_device_reset(port->uport->dev); 2495f1ae32a1SGerd Hoffmann portsc |= PORTSC_PRC | PORTSC_PED; 2496f1ae32a1SGerd Hoffmann } 24971d8a4e69SGerd Hoffmann port->portsc = portsc; 2498f1ae32a1SGerd Hoffmann break; 2499f1ae32a1SGerd Hoffmann case 0x04: /* PORTPMSC */ 2500f1ae32a1SGerd Hoffmann case 0x08: /* PORTLI */ 2501f1ae32a1SGerd Hoffmann default: 2502f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n", 25031d8a4e69SGerd Hoffmann port->portnr, (uint32_t)reg); 2504f1ae32a1SGerd Hoffmann } 2505f1ae32a1SGerd Hoffmann } 2506f1ae32a1SGerd Hoffmann 2507a8170e5eSAvi Kivity static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size) 2508f1ae32a1SGerd Hoffmann { 25091b067564SGerd Hoffmann XHCIState *xhci = ptr; 25102d754a10SGerd Hoffmann uint32_t ret; 2511f1ae32a1SGerd Hoffmann 2512f1ae32a1SGerd Hoffmann switch (reg) { 2513f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 25142d754a10SGerd Hoffmann ret = xhci->usbcmd; 25152d754a10SGerd Hoffmann break; 2516f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 25172d754a10SGerd Hoffmann ret = xhci->usbsts; 25182d754a10SGerd Hoffmann break; 2519f1ae32a1SGerd Hoffmann case 0x08: /* PAGESIZE */ 25202d754a10SGerd Hoffmann ret = 1; /* 4KiB */ 25212d754a10SGerd Hoffmann break; 2522f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 25232d754a10SGerd Hoffmann ret = xhci->dnctrl; 25242d754a10SGerd Hoffmann break; 2525f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 25262d754a10SGerd Hoffmann ret = xhci->crcr_low & ~0xe; 25272d754a10SGerd Hoffmann break; 2528f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 25292d754a10SGerd Hoffmann ret = xhci->crcr_high; 25302d754a10SGerd Hoffmann break; 2531f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 25322d754a10SGerd Hoffmann ret = xhci->dcbaap_low; 25332d754a10SGerd Hoffmann break; 2534f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 25352d754a10SGerd Hoffmann ret = xhci->dcbaap_high; 25362d754a10SGerd Hoffmann break; 2537f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 25382d754a10SGerd Hoffmann ret = xhci->config; 25392d754a10SGerd Hoffmann break; 2540f1ae32a1SGerd Hoffmann default: 25411b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg); 25422d754a10SGerd Hoffmann ret = 0; 2543f1ae32a1SGerd Hoffmann } 25442d754a10SGerd Hoffmann 25452d754a10SGerd Hoffmann trace_usb_xhci_oper_read(reg, ret); 25462d754a10SGerd Hoffmann return ret; 2547f1ae32a1SGerd Hoffmann } 2548f1ae32a1SGerd Hoffmann 2549a8170e5eSAvi Kivity static void xhci_oper_write(void *ptr, hwaddr reg, 25501b067564SGerd Hoffmann uint64_t val, unsigned size) 2551f1ae32a1SGerd Hoffmann { 25521b067564SGerd Hoffmann XHCIState *xhci = ptr; 25531b067564SGerd Hoffmann 25542d754a10SGerd Hoffmann trace_usb_xhci_oper_write(reg, val); 25552d754a10SGerd Hoffmann 2556f1ae32a1SGerd Hoffmann switch (reg) { 2557f1ae32a1SGerd Hoffmann case 0x00: /* USBCMD */ 2558f1ae32a1SGerd Hoffmann if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) { 2559f1ae32a1SGerd Hoffmann xhci_run(xhci); 2560f1ae32a1SGerd Hoffmann } else if (!(val & USBCMD_RS) && (xhci->usbcmd & USBCMD_RS)) { 2561f1ae32a1SGerd Hoffmann xhci_stop(xhci); 2562f1ae32a1SGerd Hoffmann } 2563f1ae32a1SGerd Hoffmann xhci->usbcmd = val & 0xc0f; 256401546fa6SGerd Hoffmann xhci_mfwrap_update(xhci); 2565f1ae32a1SGerd Hoffmann if (val & USBCMD_HCRST) { 256664619739SJan Kiszka xhci_reset(&xhci->pci_dev.qdev); 2567f1ae32a1SGerd Hoffmann } 25684c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2569f1ae32a1SGerd Hoffmann break; 2570f1ae32a1SGerd Hoffmann 2571f1ae32a1SGerd Hoffmann case 0x04: /* USBSTS */ 2572f1ae32a1SGerd Hoffmann /* these bits are write-1-to-clear */ 2573f1ae32a1SGerd Hoffmann xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE)); 25744c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 2575f1ae32a1SGerd Hoffmann break; 2576f1ae32a1SGerd Hoffmann 2577f1ae32a1SGerd Hoffmann case 0x14: /* DNCTRL */ 2578f1ae32a1SGerd Hoffmann xhci->dnctrl = val & 0xffff; 2579f1ae32a1SGerd Hoffmann break; 2580f1ae32a1SGerd Hoffmann case 0x18: /* CRCR low */ 2581f1ae32a1SGerd Hoffmann xhci->crcr_low = (val & 0xffffffcf) | (xhci->crcr_low & CRCR_CRR); 2582f1ae32a1SGerd Hoffmann break; 2583f1ae32a1SGerd Hoffmann case 0x1c: /* CRCR high */ 2584f1ae32a1SGerd Hoffmann xhci->crcr_high = val; 2585f1ae32a1SGerd Hoffmann if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) { 2586f1ae32a1SGerd Hoffmann XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED}; 2587f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~CRCR_CRR; 25882d1de850SGerd Hoffmann xhci_event(xhci, &event, 0); 2589f1ae32a1SGerd Hoffmann DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low); 2590f1ae32a1SGerd Hoffmann } else { 259159a70ccdSDavid Gibson dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val); 2592f1ae32a1SGerd Hoffmann xhci_ring_init(xhci, &xhci->cmd_ring, base); 2593f1ae32a1SGerd Hoffmann } 2594f1ae32a1SGerd Hoffmann xhci->crcr_low &= ~(CRCR_CA | CRCR_CS); 2595f1ae32a1SGerd Hoffmann break; 2596f1ae32a1SGerd Hoffmann case 0x30: /* DCBAAP low */ 2597f1ae32a1SGerd Hoffmann xhci->dcbaap_low = val & 0xffffffc0; 2598f1ae32a1SGerd Hoffmann break; 2599f1ae32a1SGerd Hoffmann case 0x34: /* DCBAAP high */ 2600f1ae32a1SGerd Hoffmann xhci->dcbaap_high = val; 2601f1ae32a1SGerd Hoffmann break; 2602f1ae32a1SGerd Hoffmann case 0x38: /* CONFIG */ 2603f1ae32a1SGerd Hoffmann xhci->config = val & 0xff; 2604f1ae32a1SGerd Hoffmann break; 2605f1ae32a1SGerd Hoffmann default: 26061b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg); 2607f1ae32a1SGerd Hoffmann } 2608f1ae32a1SGerd Hoffmann } 2609f1ae32a1SGerd Hoffmann 2610a8170e5eSAvi Kivity static uint64_t xhci_runtime_read(void *ptr, hwaddr reg, 26111b067564SGerd Hoffmann unsigned size) 2612f1ae32a1SGerd Hoffmann { 26131b067564SGerd Hoffmann XHCIState *xhci = ptr; 261443d9d604SGerd Hoffmann uint32_t ret = 0; 2615f1ae32a1SGerd Hoffmann 261643d9d604SGerd Hoffmann if (reg < 0x20) { 2617f1ae32a1SGerd Hoffmann switch (reg) { 2618f1ae32a1SGerd Hoffmann case 0x00: /* MFINDEX */ 261901546fa6SGerd Hoffmann ret = xhci_mfindex_get(xhci) & 0x3fff; 26202d754a10SGerd Hoffmann break; 2621f1ae32a1SGerd Hoffmann default: 26221b067564SGerd Hoffmann fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", 26231b067564SGerd Hoffmann (int)reg); 262443d9d604SGerd Hoffmann break; 262543d9d604SGerd Hoffmann } 262643d9d604SGerd Hoffmann } else { 262743d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 262843d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 262943d9d604SGerd Hoffmann switch (reg & 0x1f) { 263043d9d604SGerd Hoffmann case 0x00: /* IMAN */ 263143d9d604SGerd Hoffmann ret = intr->iman; 263243d9d604SGerd Hoffmann break; 263343d9d604SGerd Hoffmann case 0x04: /* IMOD */ 263443d9d604SGerd Hoffmann ret = intr->imod; 263543d9d604SGerd Hoffmann break; 263643d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 263743d9d604SGerd Hoffmann ret = intr->erstsz; 263843d9d604SGerd Hoffmann break; 263943d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 264043d9d604SGerd Hoffmann ret = intr->erstba_low; 264143d9d604SGerd Hoffmann break; 264243d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 264343d9d604SGerd Hoffmann ret = intr->erstba_high; 264443d9d604SGerd Hoffmann break; 264543d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 264643d9d604SGerd Hoffmann ret = intr->erdp_low; 264743d9d604SGerd Hoffmann break; 264843d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 264943d9d604SGerd Hoffmann ret = intr->erdp_high; 265043d9d604SGerd Hoffmann break; 265143d9d604SGerd Hoffmann } 2652f1ae32a1SGerd Hoffmann } 26532d754a10SGerd Hoffmann 26542d754a10SGerd Hoffmann trace_usb_xhci_runtime_read(reg, ret); 26552d754a10SGerd Hoffmann return ret; 2656f1ae32a1SGerd Hoffmann } 2657f1ae32a1SGerd Hoffmann 2658a8170e5eSAvi Kivity static void xhci_runtime_write(void *ptr, hwaddr reg, 26591b067564SGerd Hoffmann uint64_t val, unsigned size) 2660f1ae32a1SGerd Hoffmann { 26611b067564SGerd Hoffmann XHCIState *xhci = ptr; 266243d9d604SGerd Hoffmann int v = (reg - 0x20) / 0x20; 266343d9d604SGerd Hoffmann XHCIInterrupter *intr = &xhci->intr[v]; 26648e9f18b6SGerd Hoffmann trace_usb_xhci_runtime_write(reg, val); 2665f1ae32a1SGerd Hoffmann 266643d9d604SGerd Hoffmann if (reg < 0x20) { 26671b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg); 266843d9d604SGerd Hoffmann return; 266943d9d604SGerd Hoffmann } 267043d9d604SGerd Hoffmann 267143d9d604SGerd Hoffmann switch (reg & 0x1f) { 267243d9d604SGerd Hoffmann case 0x00: /* IMAN */ 2673f1ae32a1SGerd Hoffmann if (val & IMAN_IP) { 2674962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IP; 2675f1ae32a1SGerd Hoffmann } 2676962d11e1SGerd Hoffmann intr->iman &= ~IMAN_IE; 2677962d11e1SGerd Hoffmann intr->iman |= val & IMAN_IE; 267843d9d604SGerd Hoffmann if (v == 0) { 26794c4abe7cSGerd Hoffmann xhci_intx_update(xhci); 268043d9d604SGerd Hoffmann } 268143d9d604SGerd Hoffmann xhci_msix_update(xhci, v); 2682f1ae32a1SGerd Hoffmann break; 268343d9d604SGerd Hoffmann case 0x04: /* IMOD */ 2684962d11e1SGerd Hoffmann intr->imod = val; 2685f1ae32a1SGerd Hoffmann break; 268643d9d604SGerd Hoffmann case 0x08: /* ERSTSZ */ 2687962d11e1SGerd Hoffmann intr->erstsz = val & 0xffff; 2688f1ae32a1SGerd Hoffmann break; 268943d9d604SGerd Hoffmann case 0x10: /* ERSTBA low */ 2690f1ae32a1SGerd Hoffmann /* XXX NEC driver bug: it doesn't align this to 64 bytes 2691962d11e1SGerd Hoffmann intr->erstba_low = val & 0xffffffc0; */ 2692962d11e1SGerd Hoffmann intr->erstba_low = val & 0xfffffff0; 2693f1ae32a1SGerd Hoffmann break; 269443d9d604SGerd Hoffmann case 0x14: /* ERSTBA high */ 2695962d11e1SGerd Hoffmann intr->erstba_high = val; 269643d9d604SGerd Hoffmann xhci_er_reset(xhci, v); 2697f1ae32a1SGerd Hoffmann break; 269843d9d604SGerd Hoffmann case 0x18: /* ERDP low */ 2699f1ae32a1SGerd Hoffmann if (val & ERDP_EHB) { 2700962d11e1SGerd Hoffmann intr->erdp_low &= ~ERDP_EHB; 2701f1ae32a1SGerd Hoffmann } 2702962d11e1SGerd Hoffmann intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); 2703f1ae32a1SGerd Hoffmann break; 270443d9d604SGerd Hoffmann case 0x1c: /* ERDP high */ 2705962d11e1SGerd Hoffmann intr->erdp_high = val; 270643d9d604SGerd Hoffmann xhci_events_update(xhci, v); 2707f1ae32a1SGerd Hoffmann break; 2708f1ae32a1SGerd Hoffmann default: 27091b067564SGerd Hoffmann fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", 27101b067564SGerd Hoffmann (int)reg); 2711f1ae32a1SGerd Hoffmann } 2712f1ae32a1SGerd Hoffmann } 2713f1ae32a1SGerd Hoffmann 2714a8170e5eSAvi Kivity static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg, 27151b067564SGerd Hoffmann unsigned size) 2716f1ae32a1SGerd Hoffmann { 2717f1ae32a1SGerd Hoffmann /* doorbells always read as 0 */ 27182d754a10SGerd Hoffmann trace_usb_xhci_doorbell_read(reg, 0); 2719f1ae32a1SGerd Hoffmann return 0; 2720f1ae32a1SGerd Hoffmann } 2721f1ae32a1SGerd Hoffmann 2722a8170e5eSAvi Kivity static void xhci_doorbell_write(void *ptr, hwaddr reg, 27231b067564SGerd Hoffmann uint64_t val, unsigned size) 2724f1ae32a1SGerd Hoffmann { 27251b067564SGerd Hoffmann XHCIState *xhci = ptr; 27261b067564SGerd Hoffmann 27272d754a10SGerd Hoffmann trace_usb_xhci_doorbell_write(reg, val); 2728f1ae32a1SGerd Hoffmann 2729f1ae32a1SGerd Hoffmann if (!xhci_running(xhci)) { 2730f1ae32a1SGerd Hoffmann fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n"); 2731f1ae32a1SGerd Hoffmann return; 2732f1ae32a1SGerd Hoffmann } 2733f1ae32a1SGerd Hoffmann 2734f1ae32a1SGerd Hoffmann reg >>= 2; 2735f1ae32a1SGerd Hoffmann 2736f1ae32a1SGerd Hoffmann if (reg == 0) { 2737f1ae32a1SGerd Hoffmann if (val == 0) { 2738f1ae32a1SGerd Hoffmann xhci_process_commands(xhci); 2739f1ae32a1SGerd Hoffmann } else { 27401b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n", 27411b067564SGerd Hoffmann (uint32_t)val); 2742f1ae32a1SGerd Hoffmann } 2743f1ae32a1SGerd Hoffmann } else { 2744f1ae32a1SGerd Hoffmann if (reg > MAXSLOTS) { 27451b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg); 2746f1ae32a1SGerd Hoffmann } else if (val > 31) { 27471b067564SGerd Hoffmann fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n", 27481b067564SGerd Hoffmann (int)reg, (uint32_t)val); 2749f1ae32a1SGerd Hoffmann } else { 2750f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, reg, val); 2751f1ae32a1SGerd Hoffmann } 2752f1ae32a1SGerd Hoffmann } 2753f1ae32a1SGerd Hoffmann } 2754f1ae32a1SGerd Hoffmann 27551b067564SGerd Hoffmann static const MemoryRegionOps xhci_cap_ops = { 27561b067564SGerd Hoffmann .read = xhci_cap_read, 27576ee021d4SGerd Hoffmann .valid.min_access_size = 1, 27581b067564SGerd Hoffmann .valid.max_access_size = 4, 27596ee021d4SGerd Hoffmann .impl.min_access_size = 4, 27606ee021d4SGerd Hoffmann .impl.max_access_size = 4, 27611b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 27621b067564SGerd Hoffmann }; 2763f1ae32a1SGerd Hoffmann 27641b067564SGerd Hoffmann static const MemoryRegionOps xhci_oper_ops = { 27651b067564SGerd Hoffmann .read = xhci_oper_read, 27661b067564SGerd Hoffmann .write = xhci_oper_write, 27671b067564SGerd Hoffmann .valid.min_access_size = 4, 27681b067564SGerd Hoffmann .valid.max_access_size = 4, 27691b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 27701b067564SGerd Hoffmann }; 2771f1ae32a1SGerd Hoffmann 27721d8a4e69SGerd Hoffmann static const MemoryRegionOps xhci_port_ops = { 27731d8a4e69SGerd Hoffmann .read = xhci_port_read, 27741d8a4e69SGerd Hoffmann .write = xhci_port_write, 27751d8a4e69SGerd Hoffmann .valid.min_access_size = 4, 27761d8a4e69SGerd Hoffmann .valid.max_access_size = 4, 27771d8a4e69SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 27781d8a4e69SGerd Hoffmann }; 27791d8a4e69SGerd Hoffmann 27801b067564SGerd Hoffmann static const MemoryRegionOps xhci_runtime_ops = { 27811b067564SGerd Hoffmann .read = xhci_runtime_read, 27821b067564SGerd Hoffmann .write = xhci_runtime_write, 27831b067564SGerd Hoffmann .valid.min_access_size = 4, 27841b067564SGerd Hoffmann .valid.max_access_size = 4, 27851b067564SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 27861b067564SGerd Hoffmann }; 2787f1ae32a1SGerd Hoffmann 27881b067564SGerd Hoffmann static const MemoryRegionOps xhci_doorbell_ops = { 27891b067564SGerd Hoffmann .read = xhci_doorbell_read, 27901b067564SGerd Hoffmann .write = xhci_doorbell_write, 2791f1ae32a1SGerd Hoffmann .valid.min_access_size = 4, 2792f1ae32a1SGerd Hoffmann .valid.max_access_size = 4, 2793f1ae32a1SGerd Hoffmann .endianness = DEVICE_LITTLE_ENDIAN, 2794f1ae32a1SGerd Hoffmann }; 2795f1ae32a1SGerd Hoffmann 2796f1ae32a1SGerd Hoffmann static void xhci_attach(USBPort *usbport) 2797f1ae32a1SGerd Hoffmann { 2798f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 27990846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 2800f1ae32a1SGerd Hoffmann 2801f1ae32a1SGerd Hoffmann xhci_update_port(xhci, port, 0); 2802f1ae32a1SGerd Hoffmann } 2803f1ae32a1SGerd Hoffmann 2804f1ae32a1SGerd Hoffmann static void xhci_detach(USBPort *usbport) 2805f1ae32a1SGerd Hoffmann { 2806f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 28070846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 2808f1ae32a1SGerd Hoffmann 2809f1ae32a1SGerd Hoffmann xhci_update_port(xhci, port, 1); 2810f1ae32a1SGerd Hoffmann } 2811f1ae32a1SGerd Hoffmann 2812f1ae32a1SGerd Hoffmann static void xhci_wakeup(USBPort *usbport) 2813f1ae32a1SGerd Hoffmann { 2814f1ae32a1SGerd Hoffmann XHCIState *xhci = usbport->opaque; 28150846e635SGerd Hoffmann XHCIPort *port = xhci_lookup_port(xhci, usbport); 28160846e635SGerd Hoffmann XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, 28170846e635SGerd Hoffmann port->portnr << 24}; 2818f1ae32a1SGerd Hoffmann uint32_t pls; 2819f1ae32a1SGerd Hoffmann 2820f1ae32a1SGerd Hoffmann pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK; 2821f1ae32a1SGerd Hoffmann if (pls != 3) { 2822f1ae32a1SGerd Hoffmann return; 2823f1ae32a1SGerd Hoffmann } 2824f1ae32a1SGerd Hoffmann port->portsc |= 0xf << PORTSC_PLS_SHIFT; 2825f1ae32a1SGerd Hoffmann if (port->portsc & PORTSC_PLC) { 2826f1ae32a1SGerd Hoffmann return; 2827f1ae32a1SGerd Hoffmann } 2828f1ae32a1SGerd Hoffmann port->portsc |= PORTSC_PLC; 28292d1de850SGerd Hoffmann xhci_event(xhci, &ev, 0); 2830f1ae32a1SGerd Hoffmann } 2831f1ae32a1SGerd Hoffmann 2832f1ae32a1SGerd Hoffmann static void xhci_complete(USBPort *port, USBPacket *packet) 2833f1ae32a1SGerd Hoffmann { 2834f1ae32a1SGerd Hoffmann XHCITransfer *xfer = container_of(packet, XHCITransfer, packet); 2835f1ae32a1SGerd Hoffmann 2836f1ae32a1SGerd Hoffmann xhci_complete_packet(xfer, packet->result); 2837f1ae32a1SGerd Hoffmann xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid); 2838f1ae32a1SGerd Hoffmann } 2839f1ae32a1SGerd Hoffmann 2840ccaf87a0SGerd Hoffmann static void xhci_child_detach(USBPort *uport, USBDevice *child) 2841f1ae32a1SGerd Hoffmann { 2842ccaf87a0SGerd Hoffmann USBBus *bus = usb_bus_from_device(child); 2843ccaf87a0SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 2844ccaf87a0SGerd Hoffmann int i; 2845ccaf87a0SGerd Hoffmann 2846ccaf87a0SGerd Hoffmann for (i = 0; i < MAXSLOTS; i++) { 2847ccaf87a0SGerd Hoffmann if (xhci->slots[i].uport == uport) { 2848ccaf87a0SGerd Hoffmann xhci->slots[i].uport = NULL; 2849ccaf87a0SGerd Hoffmann } 2850ccaf87a0SGerd Hoffmann } 2851f1ae32a1SGerd Hoffmann } 2852f1ae32a1SGerd Hoffmann 28531d8a4e69SGerd Hoffmann static USBPortOps xhci_uport_ops = { 2854f1ae32a1SGerd Hoffmann .attach = xhci_attach, 2855f1ae32a1SGerd Hoffmann .detach = xhci_detach, 2856f1ae32a1SGerd Hoffmann .wakeup = xhci_wakeup, 2857f1ae32a1SGerd Hoffmann .complete = xhci_complete, 2858f1ae32a1SGerd Hoffmann .child_detach = xhci_child_detach, 2859f1ae32a1SGerd Hoffmann }; 2860f1ae32a1SGerd Hoffmann 2861f1ae32a1SGerd Hoffmann static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev) 2862f1ae32a1SGerd Hoffmann { 2863f1ae32a1SGerd Hoffmann XHCISlot *slot; 2864f1ae32a1SGerd Hoffmann int slotid; 2865f1ae32a1SGerd Hoffmann 2866f1ae32a1SGerd Hoffmann for (slotid = 1; slotid <= MAXSLOTS; slotid++) { 2867f1ae32a1SGerd Hoffmann slot = &xhci->slots[slotid-1]; 2868f1ae32a1SGerd Hoffmann if (slot->devaddr == dev->addr) { 2869f1ae32a1SGerd Hoffmann return slotid; 2870f1ae32a1SGerd Hoffmann } 2871f1ae32a1SGerd Hoffmann } 2872f1ae32a1SGerd Hoffmann return 0; 2873f1ae32a1SGerd Hoffmann } 2874f1ae32a1SGerd Hoffmann 2875f1ae32a1SGerd Hoffmann static int xhci_find_epid(USBEndpoint *ep) 2876f1ae32a1SGerd Hoffmann { 2877f1ae32a1SGerd Hoffmann if (ep->nr == 0) { 2878f1ae32a1SGerd Hoffmann return 1; 2879f1ae32a1SGerd Hoffmann } 2880f1ae32a1SGerd Hoffmann if (ep->pid == USB_TOKEN_IN) { 2881f1ae32a1SGerd Hoffmann return ep->nr * 2 + 1; 2882f1ae32a1SGerd Hoffmann } else { 2883f1ae32a1SGerd Hoffmann return ep->nr * 2; 2884f1ae32a1SGerd Hoffmann } 2885f1ae32a1SGerd Hoffmann } 2886f1ae32a1SGerd Hoffmann 2887f1ae32a1SGerd Hoffmann static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep) 2888f1ae32a1SGerd Hoffmann { 2889f1ae32a1SGerd Hoffmann XHCIState *xhci = container_of(bus, XHCIState, bus); 2890f1ae32a1SGerd Hoffmann int slotid; 2891f1ae32a1SGerd Hoffmann 2892f1ae32a1SGerd Hoffmann DPRINTF("%s\n", __func__); 2893f1ae32a1SGerd Hoffmann slotid = xhci_find_slotid(xhci, ep->dev); 2894f1ae32a1SGerd Hoffmann if (slotid == 0 || !xhci->slots[slotid-1].enabled) { 2895f1ae32a1SGerd Hoffmann DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr); 2896f1ae32a1SGerd Hoffmann return; 2897f1ae32a1SGerd Hoffmann } 2898f1ae32a1SGerd Hoffmann xhci_kick_ep(xhci, slotid, xhci_find_epid(ep)); 2899f1ae32a1SGerd Hoffmann } 2900f1ae32a1SGerd Hoffmann 2901f1ae32a1SGerd Hoffmann static USBBusOps xhci_bus_ops = { 2902f1ae32a1SGerd Hoffmann .wakeup_endpoint = xhci_wakeup_endpoint, 2903f1ae32a1SGerd Hoffmann }; 2904f1ae32a1SGerd Hoffmann 2905f1ae32a1SGerd Hoffmann static void usb_xhci_init(XHCIState *xhci, DeviceState *dev) 2906f1ae32a1SGerd Hoffmann { 29070846e635SGerd Hoffmann XHCIPort *port; 29080846e635SGerd Hoffmann int i, usbports, speedmask; 2909f1ae32a1SGerd Hoffmann 2910f1ae32a1SGerd Hoffmann xhci->usbsts = USBSTS_HCH; 2911f1ae32a1SGerd Hoffmann 29120846e635SGerd Hoffmann if (xhci->numports_2 > MAXPORTS_2) { 29130846e635SGerd Hoffmann xhci->numports_2 = MAXPORTS_2; 29140846e635SGerd Hoffmann } 29150846e635SGerd Hoffmann if (xhci->numports_3 > MAXPORTS_3) { 29160846e635SGerd Hoffmann xhci->numports_3 = MAXPORTS_3; 29170846e635SGerd Hoffmann } 29180846e635SGerd Hoffmann usbports = MAX(xhci->numports_2, xhci->numports_3); 29190846e635SGerd Hoffmann xhci->numports = xhci->numports_2 + xhci->numports_3; 29200846e635SGerd Hoffmann 2921f1ae32a1SGerd Hoffmann usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev); 2922f1ae32a1SGerd Hoffmann 29230846e635SGerd Hoffmann for (i = 0; i < usbports; i++) { 29240846e635SGerd Hoffmann speedmask = 0; 29250846e635SGerd Hoffmann if (i < xhci->numports_2) { 29260846e635SGerd Hoffmann port = &xhci->ports[i]; 29270846e635SGerd Hoffmann port->portnr = i + 1; 29280846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 29290846e635SGerd Hoffmann port->speedmask = 2930f1ae32a1SGerd Hoffmann USB_SPEED_MASK_LOW | 2931f1ae32a1SGerd Hoffmann USB_SPEED_MASK_FULL | 29320846e635SGerd Hoffmann USB_SPEED_MASK_HIGH; 29331d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1); 29340846e635SGerd Hoffmann speedmask |= port->speedmask; 2935f1ae32a1SGerd Hoffmann } 29360846e635SGerd Hoffmann if (i < xhci->numports_3) { 29370846e635SGerd Hoffmann port = &xhci->ports[i + xhci->numports_2]; 29380846e635SGerd Hoffmann port->portnr = i + 1 + xhci->numports_2; 29390846e635SGerd Hoffmann port->uport = &xhci->uports[i]; 29400846e635SGerd Hoffmann port->speedmask = USB_SPEED_MASK_SUPER; 29411d8a4e69SGerd Hoffmann snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1); 29420846e635SGerd Hoffmann speedmask |= port->speedmask; 29430846e635SGerd Hoffmann } 29440846e635SGerd Hoffmann usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i, 29451d8a4e69SGerd Hoffmann &xhci_uport_ops, speedmask); 2946f1ae32a1SGerd Hoffmann } 2947f1ae32a1SGerd Hoffmann } 2948f1ae32a1SGerd Hoffmann 2949f1ae32a1SGerd Hoffmann static int usb_xhci_initfn(struct PCIDevice *dev) 2950f1ae32a1SGerd Hoffmann { 29511d8a4e69SGerd Hoffmann int i, ret; 2952f1ae32a1SGerd Hoffmann 2953f1ae32a1SGerd Hoffmann XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev); 2954f1ae32a1SGerd Hoffmann 2955f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_CLASS_PROG] = 0x30; /* xHCI */ 2956f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin 1 */ 2957f1ae32a1SGerd Hoffmann xhci->pci_dev.config[PCI_CACHE_LINE_SIZE] = 0x10; 2958f1ae32a1SGerd Hoffmann xhci->pci_dev.config[0x60] = 0x30; /* release number */ 2959f1ae32a1SGerd Hoffmann 2960f1ae32a1SGerd Hoffmann usb_xhci_init(xhci, &dev->qdev); 2961f1ae32a1SGerd Hoffmann 296201546fa6SGerd Hoffmann xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci); 296301546fa6SGerd Hoffmann 2964f1ae32a1SGerd Hoffmann xhci->irq = xhci->pci_dev.irq[0]; 2965f1ae32a1SGerd Hoffmann 29661b067564SGerd Hoffmann memory_region_init(&xhci->mem, "xhci", LEN_REGS); 29671b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci, 29681b067564SGerd Hoffmann "capabilities", LEN_CAP); 29691b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci, 29701d8a4e69SGerd Hoffmann "operational", 0x400); 29711b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci, 29721b067564SGerd Hoffmann "runtime", LEN_RUNTIME); 29731b067564SGerd Hoffmann memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci, 29741b067564SGerd Hoffmann "doorbell", LEN_DOORBELL); 29751b067564SGerd Hoffmann 29761b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap); 29771b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper); 29781b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime); 29791b067564SGerd Hoffmann memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell); 29801b067564SGerd Hoffmann 29811d8a4e69SGerd Hoffmann for (i = 0; i < xhci->numports; i++) { 29821d8a4e69SGerd Hoffmann XHCIPort *port = &xhci->ports[i]; 29831d8a4e69SGerd Hoffmann uint32_t offset = OFF_OPER + 0x400 + 0x10 * i; 29841d8a4e69SGerd Hoffmann port->xhci = xhci; 29851d8a4e69SGerd Hoffmann memory_region_init_io(&port->mem, &xhci_port_ops, port, 29861d8a4e69SGerd Hoffmann port->name, 0x10); 29871d8a4e69SGerd Hoffmann memory_region_add_subregion(&xhci->mem, offset, &port->mem); 29881d8a4e69SGerd Hoffmann } 29891d8a4e69SGerd Hoffmann 2990f1ae32a1SGerd Hoffmann pci_register_bar(&xhci->pci_dev, 0, 2991f1ae32a1SGerd Hoffmann PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64, 2992f1ae32a1SGerd Hoffmann &xhci->mem); 2993f1ae32a1SGerd Hoffmann 2994f1ae32a1SGerd Hoffmann ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0); 2995f1ae32a1SGerd Hoffmann assert(ret >= 0); 2996f1ae32a1SGerd Hoffmann 2997c5e9b02dSGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { 2998c5e9b02dSGerd Hoffmann msi_init(&xhci->pci_dev, 0x70, MAXINTRS, true, false); 2999f1ae32a1SGerd Hoffmann } 30004c47f800SGerd Hoffmann if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { 30014c47f800SGerd Hoffmann msix_init(&xhci->pci_dev, MAXINTRS, 30024c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_TABLE, 30034c47f800SGerd Hoffmann &xhci->mem, 0, OFF_MSIX_PBA, 30044c47f800SGerd Hoffmann 0x90); 30054c47f800SGerd Hoffmann } 3006f1ae32a1SGerd Hoffmann 3007f1ae32a1SGerd Hoffmann return 0; 3008f1ae32a1SGerd Hoffmann } 3009f1ae32a1SGerd Hoffmann 3010f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_xhci = { 3011f1ae32a1SGerd Hoffmann .name = "xhci", 3012f1ae32a1SGerd Hoffmann .unmigratable = 1, 3013f1ae32a1SGerd Hoffmann }; 3014f1ae32a1SGerd Hoffmann 3015f1ae32a1SGerd Hoffmann static Property xhci_properties[] = { 3016c5e9b02dSGerd Hoffmann DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true), 30174c47f800SGerd Hoffmann DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true), 30180846e635SGerd Hoffmann DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), 30190846e635SGerd Hoffmann DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), 3020f1ae32a1SGerd Hoffmann DEFINE_PROP_END_OF_LIST(), 3021f1ae32a1SGerd Hoffmann }; 3022f1ae32a1SGerd Hoffmann 3023f1ae32a1SGerd Hoffmann static void xhci_class_init(ObjectClass *klass, void *data) 3024f1ae32a1SGerd Hoffmann { 3025f1ae32a1SGerd Hoffmann PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 3026f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass); 3027f1ae32a1SGerd Hoffmann 3028f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_xhci; 3029f1ae32a1SGerd Hoffmann dc->props = xhci_properties; 303064619739SJan Kiszka dc->reset = xhci_reset; 3031f1ae32a1SGerd Hoffmann k->init = usb_xhci_initfn; 3032f1ae32a1SGerd Hoffmann k->vendor_id = PCI_VENDOR_ID_NEC; 3033f1ae32a1SGerd Hoffmann k->device_id = PCI_DEVICE_ID_NEC_UPD720200; 3034f1ae32a1SGerd Hoffmann k->class_id = PCI_CLASS_SERIAL_USB; 3035f1ae32a1SGerd Hoffmann k->revision = 0x03; 3036f1ae32a1SGerd Hoffmann k->is_express = 1; 3037f1ae32a1SGerd Hoffmann } 3038f1ae32a1SGerd Hoffmann 3039f1ae32a1SGerd Hoffmann static TypeInfo xhci_info = { 3040f1ae32a1SGerd Hoffmann .name = "nec-usb-xhci", 3041f1ae32a1SGerd Hoffmann .parent = TYPE_PCI_DEVICE, 3042f1ae32a1SGerd Hoffmann .instance_size = sizeof(XHCIState), 3043f1ae32a1SGerd Hoffmann .class_init = xhci_class_init, 3044f1ae32a1SGerd Hoffmann }; 3045f1ae32a1SGerd Hoffmann 3046f1ae32a1SGerd Hoffmann static void xhci_register_types(void) 3047f1ae32a1SGerd Hoffmann { 3048f1ae32a1SGerd Hoffmann type_register_static(&xhci_info); 3049f1ae32a1SGerd Hoffmann } 3050f1ae32a1SGerd Hoffmann 3051f1ae32a1SGerd Hoffmann type_init(xhci_register_types) 3052